The founders of United States all either allowed or advocated for slavery to exist in the United States. Given this fact, why would Lincoln still choose to reference them in his speech?

the answer for 3 is b and the answer for 4 is d

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.

use wikipedia, i think they have this.