To what degree is the USA responsible for policing the world?

Idont want to fail what happened in iraq most immediately after saddam hussein was removed from power? a. the new government used chemical weapons against civilians. b. isis declared the formation of the islamic state. c. *** iraqi refugees fled to neighboring countries. d. civil war broke out between different ethnic and religious groups.

President nixon's trip to china included apex

Why do people place so much importance on washington, dc?me