Africa
because United states :Unites
unites states is a country south and north america are continents
It depends on what unites states you speak of.
The United States wanted to prevent communism from spreading.
South Vietnamese invasion of Laos
they feared Texas would join britian and declare an end to slavery
50
Yes
No
Preserving the nation of "the Republic of South Korea"; and stopping communist aggression at the 38th parallel.
16000 slaves were in the united states