To the US-Mexico border? Northern Mexico is close to the border.
when did the US close the border beween Mexico and the US
US-Mexico border ("Frontera Mexico-Estados Unidos").
The two countries that border the US is Canda (to the north of the US), and Mexico (to the south of the US).
Mexico-US Border
None. Mexico's border touches New Mexico's state limit (and US border).They share a common border.
US-Mexico border
Tijuana is right at the US-Mexico border.
The Gulf of Mexico.
The US-Canada border qualifies as such:US-Mexico border length: 3,145 kilometers (1,954 miles)US-Canada border length: 11,366 kilometers (7,063 miles)
The Rio Grande river is a part of the border between the US and Mexico.
The border is just there, nobody "paid" for it. Mexico sees no need to enforce the border but the US tries to prevent illegal crossings from Mexico, so if you are asking about who pays to enforce immigration laws across the border, then it is 100% the US.