What resources are brought into Mexico?

* Oil: Mexico is the world's 14th-largest oil producer, and oil is the country's most important export. Mexico exports oil to the United States, Canada, China, and Spain.

* Automobiles: Mexico is the world's 7th-largest automobile producer, and automobiles are the country's second-most important export. Mexico exports automobiles to the United States, Canada, China, and Germany.

* Electronics: Mexico is the world's 6th-largest exporter of electronics, and electronics are the country's third-most important export. Mexico exports electronics to the United States, Canada, China, and Japan.

* Agricultural products: Mexico is the world's 12th-largest agricultural producer, and agricultural products are the country's fourth-most important export. Mexico exports agricultural products to the United States, Canada, China, and Japan.

* Tourism: Mexico is the world's 7th-most visited country, and tourism is the country's fifth-most important export. Mexico attracts tourists from the United States, Canada, Europe, and South America.