trade-offs that exist between concentrating power in the hands of the federal government

Project description
Explain the trade-offs that exist between concentrating power in the hands of the federal government and dispersing power across the 50 states. In other words, what is gained or lost when government leans towards one or the other?
-at least five substantive paragraphs each. A substantive paragraph is more than a one or two sentences. It should include an introduction paragraph, several paragraphs of examples and a concluding paragraph.

citation should be done appropriately