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1783 Treaty of Paris
The War of Independence (1775–1783) ends, and the U.S. acquires the first 13 colonies in the east by the Treaty of Paris that establishes the first U.S. boundaries -
The Louisiana Purchase of land from France extends US lands from the Mississippi River to the Rocky Mountains between the Canadian border and the Gulf of Mexico
The Louisiana Purchase of land from France extends US lands from the Mississippi River to the Rocky Mountains between the Canadian border and the Gulf of Mexico -
Lewis and Clark Expedition
The Lewis and Clark Expedition explores and map the US lands bought in the 1803 Louisiana Purchase -
Steamboats
The invention of steam engines result in steamboats appearing on western rivers -
Cities and Travel
The towns and cities increased and methods of transport included the stagecoach