Answer:
Napoleon, just needing to keep the harmony in France and the landmass yet couldn't due to the maneuvers of the British, had to overcome in light of the fact that he needed to debilitate his foes across Europe into not making war with him and against France until kingdom come.
Okay one big reason, you don't have to go further then Hitler. The "cause" to his power was because of the political failure of the Wiemar Public which was imposed on Germany in 1919.
Hope I got it correct!
Answer:
the stars, sun, and planets revolve around the earth
