Canada and the United States
Canada and Mexico
2 the united states and German
the United States and Mexico *and Canada
Canada, United States, and Mexico
United States and the British
Canada and Mexico.
It's a tie between the states of Tennessee and Missouri, which both touch 8 other states.
The 2 countries are Germany and the United states
The United States and the Soviet Union. And the United kingdom.
United States and the Soviet Union
The United States The United Kingdom India South Africa Brazil Australia