What is one of the 5 major eco systems in the us?

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.

Brainliestttme : ) -what role has technology played in globalization?

Clouds thar look like whisps of hair are