Best definition of federalism?

Federalism is the political principle whereby political entities divide power between a centralized government or the "federal government" and some smaller entities such as "states" in the American system. This system seeks to create a central government capable of ruling a nation, while also allowing for regions to rule their own affairs in areas not designated to the central government. 

They wanted to make slaves out of them.they wanted force them to move off their landthey wanted to make them grow crops for very little pay.they refused to speak native american languages