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Louisiana Purchase
The conflict for the land started -
Lewis & Clark Expedition
Lewis & Clark started there expedition -
Period: to
The Westward Expansion
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Lewis & Clark Expedition
Lewis & Clark's journey has ended -
War of 1812
The war of 1812 begins -
War of 1812
The War of 1812 has ended -
The Mexican- American War
The Mexican- American war has started -
The California Gold Rush
The California Gold Rush has began -
The Mexican- American War
The Mexican- American war has ended -
Compromise of 1850
