Which goods were sent from the Old World to the New World as part of the Columbian Exchange? Check all that apply. cattle
chocolate
coffee
horses
potatoes
sugar
tobacco

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.