The Monroe Doctrine (Named after Pres. James Monroe)
Match the thinkers w their ideas
A main cause of the trade was the colonies that European colonies were starting to develop. Also some African societies had long had,their own slaves and cooperated with the Europeans to sell other Africans into slavery.
The answer is D. Principalities were small territories that were run by Russian rulers.
This due because they population was very small, and it still hasn't reached by the mongol Empire But they were very close with Russian Territories
