-
The purchase of imperial rights to the western half of the Mississippi River basin from France by the United States.
-
A self-sustaining population of over four million enslaved people in the South, some Southern congressmen joined with the North in voting to abolish the African slave trade.
-
A conflict fought between the United States and Great Britain over British violations of U.S. maritime rights. It ended with the exchange of ratifications of the Treaty of Ghent.
-
A widespread and durable financial crisis in the United States that slowed westward expansion in the Cotton Belt, and then it was followed by a general collapse of the American economy.
-
It brought a flood of workers to California and played an important role in integrating California's economy into that of the eastern United States.
-
It was a war between the Union(the north) and the Confederacy(the south), the North was fighting for reunification, and the South for independence.
-
President Abraham Lincoln issued the proclamation, "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free."
-
A war that was fought by Union and Confederate forces, the Battle of Gettysburg marked the turning point of the Civil War.
-
The 13th amendment abolished slavery in the United States.
-
Alexander Graham Bell invented the first Telephone, his patent and demonstrations for an apparatus designed for “transmitting vocal or other sounds telegraphically".