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Interchangeable parts
It began a mass production. -
Cotton Gin
The invention demanded for more slaves. -
Capitol moved to Washington DC
The old white house was burned down. -
LA purchase
the purchase was made by tomas Jefferson.It was 15 million$. -
Lewis and Clark Expedition
The purpose was to study new wildlife, make maps to the Pacific, establish relationships with Native american, claim Oregon country. -
war of 1812
the us and British they were battling aganist the Indians. -
National Road Systems
The systems connected from Maryland to Wheeling West Virginia. -
missouri compromise
in order to keep balance in the congress between slave states. -
Monroe Doctrine
Message to the world that the "Americas" were closed to colonization. -
Erie Canal
Was built to connect the Hudson River with Lake Erie in 1825. -
Trail of Tears
17,000 Indians were forced to move to OK from GA. 4,000 were killed along the way. -
Mechanical Reaper
Increased food supply with fewer workers. -
Oregon Trail
The whitmans traveled first. It began in Independence MO. It was a 2000 mile trip. -
Telegraph
The telegraph made faster communications, merchants have better information about supply and demand. -
Mexican War
The war was between the US and Mexico. It was fought over land rights.