African civilizations: mastery test

How has u.s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Which would be good historical evidence when studying manifest destiny?