Mexico is the southern neighbor of the United States.
Mexico is the southern neighbor of the U.S.
Mexico
Mexico
krista and edward
Mexico is the closest southern neighbor for most of the US.
USA is the closest southern neighbor of Canada.
Mexico is the southern country that is the closest neighbor to the United States. Mexico has a border with the United States that has a total length of 1954 miles.The country is Mexico.
Mexico is the country that borders the southern United States.
Mexico!!!! There is a common international border between the two nations.
Mexico is the southern neighbor of the United States.
Mexico.