Answer:
English Common Laws => basis of U.S. laws
Salutary Neglect => free market economy
Separation of Powers => three branches of government
The treaty of Oregon signed during the presidency of Polk was between the Great Britain and The USA. its aim was to settle dispute over the Oregon country which had long been occupied by both countries.
The USA received most of the lands of the county over time, as the negotiated treaty favored the USA more than the British,resulting often to skirmishes such as the pig war.
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This is a tax free trade agreement it makes it easier to trade and sell things between mexico and canada. Instead someone like china
