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March 25, 2022

Colombia
U.S.-Colombia Relations

Over the two centuries since Colombia’s independence, the relationship between Washington and Bogota has evolved into a close economic and security partnership. But it has at times been strained by U…

March 25, 2022

United States
U.S. Postwar Immigration Policy

Immigration has been an important element of U.S. economic and cultural vitality since the country’s founding. This interactive timeline outlines the evolution of U.S. immigration policy after World …

May 1, 2017

Border and Port Security
U.S.-Mexico Relations

Over the course of two hundred years, the United States and Mexico have developed rich diplomatic, economic, and cultural ties but at times clashed over borders, migration, trade, and an escalating d…