What action of johnson's changed the situation in vietnam? a. he divided vietnam into two separate nations. b. he ordered combat troops to go to vietnam. c. he protested military action in vietnam. d. he removed combat troops from vietnam.

Why is mary salter ainsworth a central figure in psychology?

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.

Which process the body warm up when its cold