Who lived in ancient northern africa during the 11th century?

Why would the saudi’s oil industry need a large investment in human capital

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington