What was an achievement for the mesopotamians? (not including a written launguage)

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

The ideas of hammond are most clearly an example of which of the following mid-19th century developments? (5 points) the increasingly liberal nature of slavery after the south enforced stronger slave codes the growing use by northern antislavery activists of moral arguments the increasing number of freed slaves in southern states as a result of gradual emancipation laws the growing tendency of southern slaveholders to use the paternal ethos to justify slavery

How long was it from the time african american men were given the right to vote until women were given the right to vote?