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How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

Plz i will give use examples from the lessons and your own personal experiences to compose at least one well-developed paragraph on the following: define the term reserved powers, and give an example of a reserved power of government.

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme