Answer:
The Boston Massacre is etched in our mindset because of an etching that stands as an indisputable example of 1770-style “fake news." The engraving by Paul Revere, which showed British soldiers lined up and firing indiscriminately at helpless colonists, ignored eyewitness reports that the soldiers were being threatened.
Monroe doctrine was the thing that blocked other nations from coming into americas. It was enforced by the british military who were the strongest at time.
Many nations accepted this out of fear of their military.
Developed Pan African Africanism
wrote a book that promoted African Independence
Part of the first political party before his rule
So all the power isnt in one persons hands, and because if checks and balances werent here one person would hold all the power which would be bad :)