How did lewis and clark reach the pacific ocean

What battle in the civil war was known as the bloodiest war ?

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.

How are isolationism and nativism related ? in the 1920s what actions did americans take that reveal their distrust of others