How did different cultures and traditions developed around the world

Which of the following two groups did not do battle with the romans? select all that apply.

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.

How did the united states ironically create a slaverybased market economy and democratic political system?