What is the Columbian Exchange? A. A bank in Columbia
B. The global transfer of plants, food, and animals during the colonization of the Americas.
C. A South American Coffee company
D. The location of the first meeting of Columbus and the Native Americans

B

Explanation:

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.