The United States’ Entrance into the War Which event directly led to the United States entering World War II in 1941?

the London Blitz
the attack on Pearl Harbor
the capture of France by Germany
the Axis invasion of North Africa

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.