Feudalism. Feudalism was the medieval model of government predating the birth of the modern nation-state. Feudal society is a military hierarchy in which a ruler or lord offers mounted fighters a fief (medieval beneficium), a unit of land to control in exchange for a military service.
Light bulbs were the power source used in factories during the industrialization
I believe it's Marcus Garvey
Answer (A)-They helped the war effort in many different ways.
Explanation:
