The president exercises legislative power ober congress by what?

Where did washington’s army spend a harsh and difficult winter in 1777–1778?

How did american entry into world war i affect the allied powers?

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.