Persian king who invaded greece at marathon

Why was the campaign in northern africa so important to the outcome of the war?

How did european exploration and expansion cause the african slave trade to expand? a. european explorers discovered the slave trade and expanded it across the indian ocean into south asia. b. arab armies captured european explorers and forced them into slavery. c. european traders shipped enslaved africans to work on plantations in european colonies in the americas. d.european explorers captured african people and forced them to work on their ships.

How does democracy ensure the well-being of the people? a. the government is controlled by the workers. b. laws are created to protect civil rights. c. the government regulates the economy completely. d. the government controls the press.