Which sentence best describes the effect of the articles of confederation on the government? a. it granted sovereignty to each state. b. it created a powerful central government. c. it limited individual freedoms. d. it promoted a strong national economy.

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.