WASHINGTON — The USA and Canada have reached an settlement that can enable each international locations to divert asylum seekers from their borders at a time when migration has surged throughout the hemisphere, a U.S. official conversant in the settlement mentioned Thursday.

The deal, which is ready to be introduced Friday by President Biden and Prime Minister Justin Trudeau after the 2 leaders meet in Ottawa, will enable Canada to show again immigrants at Roxham Highway, a fashionable unofficial crossing level from New York for migrants searching for asylum in Canada.

In trade, Canada has agreed to offer a brand new, authorized refugee program for 15,000 migrants who’re fleeing violence, persecution and financial devastation in South and Central America, the official mentioned, lessening the stress of unlawful crossings into the USA from Mexico.

Mr. Biden was as a consequence of arrive in Ottawa on Thursday night for a 24-hour go to meant to underscore the unity of function between the USA and Canada after 4 years of frosty and even brazenly hostile exchanges between Mr. Trudeau and former President Donald J. Trump.

However the go to — lengthy delayed from its common place as an American president’s first journey overseas after taking workplace — will even expose some tough points between the 2 international locations, together with the longstanding debate over easy methods to govern the motion of individuals throughout the border between them.

The settlement removes one of many comparatively few disputes between Mr. Trudeau and Mr. Biden forward of the president’s arrival. The 2 leaders are additionally anticipated to debate variations over easy methods to stabilize Haiti, and the worldwide race to develop essential minerals wanted to make batteries and different know-how.

However the accord is more likely to additional anger advocates for refugees, who’re already pissed off with Mr. Biden’s choice to crack down on asylum seekers on the southern border with Mexico.

Mr. Trudeau’s authorities has been pushing for months to develop a 2004 migration treaty with the USA that limits what number of asylum seekers Canada can flip away at its border, sending them again to the USA.

The treaty solely permits Canada to show again a migrant — for instance, somebody fleeing violence in El Salvador — if the individual crosses at an official port of entry between the 2 international locations. Crossings at unofficial factors of entry like Roxham Highway have surged prior to now a number of years, placing stress on Mr. Trudeau to restrict them.

(Asylum seekers who come from different international locations by aircraft or by ship will not be coated by the settlement no matter the place they enter. They’re comparatively few in quantity and, in lots of instances, are detained till their hearings.)

Till not too long ago, officers in the USA have been resisting a change within the treaty. However individuals on either side of the border mentioned conversations have been underway in an try and resolve the problem forward of the daylong summit.

For Mr. Biden, the deal may assist reduce the document variety of migrants who’ve surged towards the southern U.S. border by Mexico, pushed by political instability throughout the area and financial modifications which have elevated poverty.

Mr. Trudeau’s authorities has welcomed refugees from Syria and elsewhere, and has pledged to extend immigration, incomes Canada a status as being extra open to migrants than many different Western nations. However over the previous yr, as migration has swelled at Canada’s border, there are indicators that the nation’s famed hospitality towards migrants could also be fraying.

The almost 40,000 migrants who crossed into the nation final yr — greater than double the quantity in 2019 — have given Canada a small style of the challenges that different Western international locations have confronted in settling refugees and prompted Mr. Trudeau’s opponents to name for him to renegotiate a key settlement on asylum seekers with the USA. The quantity arriving every month has spiked, with virtually 5,000 individuals arriving in January.

On Friday, Mr. Biden will meet with the youthful Mr. Trudeau and ship an tackle to the Canadian Parliament, a convention that was embraced by former Presidents Harry S. Truman, Dwight D. Eisenhower, John F. Kennedy, Ronald Reagan, Invoice Clinton and Barack Obama.

High American officers in Canada and Washington careworn the private chemistry between the present leaders. One official, chatting with reporters this week, mentioned the prime minister and president have a “Justin and Joe” relationship that features every of them having the opposite “on pace dial” for frequent consultations.

That stems partly from Mr. Biden’s longstanding historical past with Mr. Trudeau’s household. As a younger senator within the early Nineteen Seventies, Mr. Biden met Mr. Trudeau’s father, Pierre Trudeau, who was then the nation’s prime minister. In a speech six years in the past, Mr. Biden praised Pierre Trudeau as a “first rate and honorable” man who had raised a profitable son.

Officers mentioned Mr. Biden would use the speech to focus on the years of cooperation between the 2 international locations on the battle in Ukraine, local weather change, confronting China and the worldwide financial system. They mentioned he would additionally speak in regards to the mutual advantages of the Inflation Discount Act and the Chips Act,  which give incentives to North American corporations for the manufacturing of silicon chips, automobile batteries and metal.

“Within the first yr of this administration, we centered on rebuilding that bilateral relationship,” John F. Kirby, a spokesman for the Nationwide Safety Council, mentioned. “This go to is about taking inventory of what we’ve accomplished, the place we’re, and what we have to prioritize for the longer term.”

The spirit of cooperation stands in stark distinction to the stress throughout Mr. Trump’s administration. In 2018, after attending a Group of seven summit assembly in Charlevoix, Quebec, Mr. Trump angrily withheld his signature from the leaders’ assertion and blasted Mr. Trudeau as “very dishonest and weak.” The connection between the 2 males by no means improved.

Officers on either side anticipate way more harmonious conferences throughout the present go to, which is able to conclude with a gala dinner on the Canadian Aviation and House Museum.

However the agenda contains some points on which the 2 international locations disagree.

Mr. Biden and Mr. Trudeau are additionally anticipated to debate efforts to assist stabilize Haiti after devastating pure disasters and political violence and unrest. The USA has mentioned it believes a world safety power is required, and has urged Canada — which has deep ties to the island — to steer it, one thing Mr. Trudeau has thus far resisted.

American officers declined to say whether or not Mr. Biden would stress Mr. Trudeau to simply accept such a number one position, a choice the Canadian chief has mentioned have to be knowledgeable by his nation’s lengthy historical past in earlier safety efforts and the teachings it has discovered.

“They are going to proceed to speak about methods we will proceed to help, from a humanitarian help perspective, the individuals of Haiti and Haitian nationwide safety forces,” Mr. Kirby informed reporters on the White Home.

“As for, you recognize, a multinational power or something like that, I don’t need to get forward of the dialog right here,” he added. “If there’s a spot for that, that’s all going to should be labored out straight with the Haitian authorities and with the U.N.”

Mr. Biden and Mr. Trudeau are additionally anticipated to the touch on longstanding disputes between their industries, reminiscent of these over the dairy and timber commerce. U.S. know-how corporations have additionally urged the Biden administration to push again in opposition to a proposed digital companies tax in Canada, saying that the majority of revenues could be collected from American companies.

However consultants mentioned the assembly would doubtless take a wider lens on the commerce relationship, specializing in how the international locations may align their insurance policies to tackle bigger challenges like local weather change, financial and safety threats from China, and the battle in Ukraine.

“The competitors will not be inside North America, it’s with out,” Louise Blais, a former Canadian diplomat, mentioned in a digital panel dialogue Wednesday hosted by the Americas Society/Council of the Americas and the Woodrow Wilson Middle Canada Institute.

One problem that may be raised on this context, Ms. Blais mentioned, is that of the essential minerals that energy electrical car batteries, like lithium, nickel, graphite and cobalt. China dominates the worldwide processing of those necessary supplies, and U.S. officers have begun holding talks with allies about new sourcing preparations.

Canada has massive reserves of essential minerals that could possibly be developed with U.S. funding and help, Ms. Blaise mentioned. However the Canadian authorities will need to clarify to the USA that it isn’t fascinated by “only a uncooked export of these minerals.” As a substitute, it might argue for growing built-in, continental provide chains for electrical automobiles that can reinforce the Canadian manufacturing sector.

“That is what I’d like to see popping out of this assembly, a reaffirmation on the a part of the president and the prime minister that we’re going to be growing our industrial coverage collectively and in a complete, built-in method,” Ms. Blaise mentioned.

Some U.S. provisions to supply incentives for the manufacturing of high-tech tools have rankled allies within the European Union, South Korea, Britain and elsewhere who say they unfairly penalize international corporations.

Because of an aggressive lobbying push final yr, Canadian corporations qualify for a few of these advantages, reminiscent of tax incentives for electrical automobiles that supply essential minerals from Canada or Mexico. However Canadian officers stay involved in regards to the potential for big U.S. subsidies and different necessities for utilizing American-made supplies to tilt the enjoying subject and draw extra manufacturing south.

As a substitute, some analysts say extra focus needs to be on setting up an built-in North American financial system, which may higher compete with new threats from China and Russia.

“If we’re not working collectively on this new world that we face, I believe each of our securities and albeit financial well-being is in danger,” Eric Farnsworth, the vp of the Council of the Americas and the Americas Society, mentioned throughout the panel dialogue Wednesday. “I believe each leaders definitely get that, the governments get it, however generally curiosity group politics intervene.”

Ana Swanson contributed reporting.