Compare maps of the world in ancient times with current political maps. Use the maps below to answer the following question.

Image of two maps side by side. The map on the left shows a map of North America showing different cultural regions. In the south there is Mesoamerica. Above Mesoamerica is the Southwest. Along the Pacific Coast is the Pacific Northwest. Beside the Pacific Northwest and in the center of what is now the United States there is the Great Plains, Great Basin, and Plateau. On the eastern side of the continent is the Eastern Woodlands. In the North, there is the Subarctic and the Arctic. The map on the right shows a topographic map of the Unite States showing hills, mountains, grasslands, and wetlands.

Public Domain

According to these maps, the Southwest Native American cultural region was located in the United States and what other North American country?
A: Mexico
B: Canada
C: South America
D: Caribbean