Which statement about slavery in the south is true? a. most southerners were plantation owners with five or more slaves. b. all southern whites owned slaves. c. there were more free blacks in the south than enslaved people. d. most southern whites did not own slaves.

It is D! Hope this helps you!

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.