Which word is used for giving approval or authorization for an action

In an economic downturn, what can happen in countries that depend on high taxes to fund social programs?

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.

Powers of states the first letter of the answer is r.