HELP Which statement about states’ rights is true?

Americans would continue to debate the balance between states’ rights and federal powers until the Civil War broke out in 1861.

Politicians in the 1800s agreed that the power of the federal government derives directly from the states.

Andrew Jackson was a strong supporter of the principle of states’ rights.

Jackson’s successful defense of federal power settled the issue of states’ rights permanently.

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male