How did the marshall plan promote the truman doctrine in western europe after world war 2

How did roman authorities treat conquered peoples? required them to pay taxes to rome replaced their local governments compelled them to adopt roman customs invited them to become roman citizens

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 type of monarch was fredrick the great ?