To prevent one branch from taking too much power, the constitutional convention set up a system of: a) checks and balances b) executive branches c) national courts

How did the constitution of 1917 try to resolve some of the problems that started the mexican revolution

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.

Who were the only people that were not allowed to be a citizen in the roman empire