Scarcity of resources. The European countries and Japan didn't have all the resources they needed in order to keep up industrialization and a few other reasons. They resorted to taking over other lands in order the "cheaply" obtain the resources.
That was the blood of the king of Persia and he lived for long
The answer for the question is True
1. The Yoruba and the Kingdom of Nri
2. Benin Empire
The Establishment of Hausa Kingdom
Answer:
In 1619, Dutch traders brought African slaves taken from a Spanish ship to Jamestown; in North America, the Africans were also generally treated as indentured servants in the early colonial era. Several colonial colleges held enslaved people as workers and relied on them to operate.