Why is Africa's history largely untaught?

Why did siddhartha gautama leave home at age 30? a. to find answers to his questions about human life b. to establish a religion that was better than hinduism c. to those who felt pain and suffering in life d. to spread his new religious ideas to other people

The theory of mercantilism holds that a nation's economic power comes from a a.enslave people b.become industrial c. willingness to explore d.favorable balance of trade

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?