Why do people usually refer to America south of the United States as Latin America?

most areas in the south of the United States, except a few islands such as Jamaica and Bahamas, used to be colonies of Spain or Portugal. In terms of ethnic composition, most people in these countries belong to the descendants of immigrants from Latin-speaking countries in southern Europe (Hispanic, Portuguese, Italian).

Therefore, this area, which accounts for most of the territory and population of the Americas, is called Latin America.

With the British-American relationship.