us and Canada are two different countries
Canada, Mexico
The only two countries with land borders with the US are Canada to the north and Mexico to the south.
Canada and Mexico
Canada and Mexico
The US and Canada.
Canada and Mexico
Canada and Mexico.
Canada and mexico
Canada and Mexico are the only two countries that share a border with the US.
Do you mean countries? If you do, the two countries that border the U.S. are Canada and Mexico.
No, the president of the US does not have authority over other countries such as Canada, Mexico or Brazil. But that said, he does have influence. All presidents of the United States can (and often do) make policies that influence other countries.