Answer:
Some Americans felt that the Articles of Confederation was not sufficient for the new nation because Congress had little power. Other than the few things they were able to do, the rest of the power belonged to the states. I think it was most important to correct that Congress wasn't able to enforce any of its powers, and also unable to collect state debts. If Congress couldn't enforce any of its powers, it couldn't really control anything. If they were also unable to collect state debts, then they wouldn't have enough money either. Money was essential, since if Congress didn't have money or enough power, they were pretty much almost pointless.
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In June 1812, the United States declared war against Great Britain in reaction to three issues: the British economic blockade of France, the induction of thousands of neutral American seamen into the British Royal Navy against their will, and the British support of hostile Indian tribes along the Great Lakes frontier. A faction of Congress, made up mostly of western and southern congressmen, had been advocating the declaration of war for several years. These “War Hawks,” as they were known, hoped that war with Britain, which was preoccupied with its struggle against Napoleonic France, would result in U.S. territorial gains in Canada and British-protected Florida.
The Enlightenment thinkers changed peoples' beliefs of how government should work by talking of separation of powers and checks and balances.
Commander in chief of the National Revolutionary Army (from which he came to be known as Generalissimo), he led the Northern Expedition from 1926 to 1928, before defeating a coalition of warlords and nominally reunifying China under a new Nationalist government.