There are two international borders between Canada and the United States: Canada's border with the northern tier of the contiguous United States to its south (6,416 kilometers or 3,987 miles), and with the U.S. state of Alaska to its northwest...
The Canada–United States Safe Third Country Agreement (STCA) (French: Entente entre le Canada et les États‑Unis sur les tiers pays sûrs) (ETPS) is a treaty, entered into force on December 29, 2004, between the governments of Canada and the United...
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the second-largest country by total area, with the longest coastline of...
The international boundary separating Mexico and United States extends from the Pacific Ocean to the Gulf of Mexico. The border traverses a variety of terrains, ranging from urban areas to deserts. It is the most frequently crossed border in the...
The United States Border Patrol (USBP) is a federal law enforcement agency under United States Customs and Border Protection (CBP) and is responsible for securing the borders of the United States. According to its website as of 2022, its mission is...
A border wall is being built along portions of the Mexico–United States border in an attempt to reduce illegal immigration to the United States from Mexico. The barrier is not a continuous structure but a series of obstructions variously classified...
In late July 2026, an estimated 80,000 people, mainly young men originating from Morocco, illegally breached and crossed the border from Morocco into the Spanish autonomous city of Ceuta in North Africa, with smaller numbers attempting to cross to...
Canada and the United States have had a long and complex relationship that has had a significant impact on each other's history, economy, and culture. The two countries have historically considered themselves among the "closest allies". They share...
On February 1, 2025, a trade war started by the United States against Canada as well as Mexico began when U.S. president Donald Trump signed orders imposing near-universal tariffs on goods from the two countries entering the United States. The order...
A diplomatic crisis began in 2025 when the Donald Trump's second presidency of the United States administration sought to annex Greenland, an autonomous territory of the Danish Realm—a treaty ally of the United States and co-member of NATO, and a...
