Why does Mexico's economic success largely depend on the United States?

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

Many feel that the u.s. should not give money to the world bank to aid people in other countries. true or false

What is the thickest layer of earth called?