How did the government change during the early republic?

Two defining events of the Early Republic were the Louisiana Purchase in 1803 and the Lewis and Clark Expedition that spanned the period 1804 to 1806. Both of these events supported the nation's vision to explore and settle the American West.

Explanation:

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the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'