Between what dates did the major pattern of change in the western civilization occur? what are the major historical trends?

The process of getting information out of memory is called

What natural resource from west africa had a significant im pact on the growth of ghana

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.