According to manifest destiny, that America should be able to obtain Texas as well as the Oregon country. O' Sullivan said that it was for the "free development of our yearly multiplying millions".
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They hoped to end the Texas revolution. <span />
The main causes of Shays' Rebellion all had to do with anger of tax and debt collection, which showed that the early United States had a very hard time exerting power over the individual states and the populations of these states.