What difficulties did the continental army face at valley forge?

What are new social classes emerged due to advancement in agriculture ?

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.

Describe the first sit-in and its impact on the civil rights movement.