Politically and culturally, the United States and Mexico are separate countries, but economically, they are so intimately linked that Mexico might as well be a colonial possession. Of its exports,...

Politically and culturally, the United States and Mexico are separate countries, but economically, they are so intimately linked that Mexico might as well be a colonial possession. Of its exports, 87.6 percent go to the United States, and 61.8 percent of its imports come from the United States.