How was the wave of u. s. immigration in the late 1800s different from the previous wave of immigration in the mid-1800s?

Beaches are landforms that run parallel to the

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.

What was the overall impact of eli whitneys introduction of interchangeable parts?