The two countries that border the US is Canda (to the north of the US), and Mexico (to the south of the US).
No countries border Iowa, it is entirely within the US
The main countries that border the US are Canada, and Mexico.
Canada and Mexico are the two countries that share a border with the United States.
The US.
Canada and Mexico
Mexico, Canada,
Mexico and Canada
Yes, the Pacific Ocean does border 3 other countries other than the US
Do you mean countries? If you do, the two countries that border the U.S. are Canada and Mexico.
The southern border of the US is primarily located along the countries of Mexico.
Canada and Mexico are the only two countries that share a border with the US.