Why was the mississippi river such an important transportation route during the 19th century?

Why did georgia’s leaders begin the land lottery system following the american revolution

European expansion into africa left native regimes intact but had a strong impact on local societies what does this mean

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.