The process of exchange between the 15th and 16th centuries in which agricultural products and other foods from the New World (the American continent) in the Old World (Europe, Africa and Asia) and vice versa is called Colombian exchange is called. broader also includes technological advances, demography and even diseases.
The U.S helped to remove Guatemala’s elected president in the 1950s as the Cold War heated up. This was part of its effort in the containing communism. To maintain its hegemony in the Western Hemisphere, the U.S. removed Jacobo Arbenz because he was considered communist