The american government is a federal system. this means that:
a. powers are shared between state and federal governments.
b. citizens elect representatives to vote rather than voting directly.
c. the federal government is divided into three branches.
d. the legislative branch consists of an upper and lower house.

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is:

Why was the agricultural revolution more successful in england than in the rest of europe?