Examine the map of North and South American rivers. A geographical map of North and South America with major rivers. Rivers on the map are labeled A, B, C, and D. A is located in the United States near Montana and the Canadian border. B is located near southern California and the Mexican border. C is located near Mississippi and Arkansas. D is located in South America in Brazil's rainforest. Which letter on this map shows the location of the world’s largest river? A B C D it's for a test i have very little time please help me