As asked by @newtonquach
"Why is federalism important to our nation's government and structure?"
Federalism is a vitally important to the function and stability of the United States Government. Without federalism, the United States would become an entirely centrally controlled system of government, which would very quickly result in a vastly different system of government that the United States was designed to be. The division of power provided in the federalist system of distributing power to the various states prevents too much power from being concentrated in one place or on one person. When power is concentrated on a single person or small group of people, it becomes very easy for that group to sway the direction of the government, causing the government to become unstable, and prone to frequent uprisings and rebellions, unless suppressed by a strong military presence. The way concentration of power relates to the stability can be equated to the stability of a pyramid. If the power in a system of government is widely distributed, the pyramid is sitting on its wide base, and is very difficult to tip over. However, if all of the power is concentrated into a single person or small ruling group, this is the same as attempting to balance a pyramid on its tip. It may stay up for a little bit if it is set up very carefully, but if there is any turbulence or turmoil, the pyramid will quickly and undoubtably fall.
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In recent years, the United States government has been concentrating power in the higher levels of government and has been taking power from the state level to do so. As a result, there has been an increase in riots and protests, since the policies being made are created from a central source as one-size-fits-all policies, which inevitably do not fit all circumstances, and in some cases cause problems. In order to repair the damage that has been done, more power must be taken from the central United States government and given to the individual state governments. Once this is done, states will have the authority to regulate their own unique circumstances, and the country as a whole will stabilize. If this is not done soon, however, the country will continue to become less and less stable until an event, be it an external war or an event of internal unrest, forces the government to collapse or reorganize.