According to the theoretical position developed by karl marx, what is the engine of social change?

The united states constitution gives the the power to regulate interstate commerce.

What consequences could gen galvez have faced for his major act of bravery?

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.