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No slavery
People rejected the idea of having slaves and stopped ships from bringing more slaves. -
Missouri Compromise
In the interest of maintaining unity, politicians had mostly moderated opposition to slavery, resulting in numerous compromises such as the Missouri Compromise -
Abolitionist sentiment
Growing in the population, it began to become a threat to slavers -
Wilmot Proviso
David Wilmot proposed the Wilmot Proviso, which would ban slavery in the new lands. -
Period: to
Mexican-American War
In 1845, newly elected U.S. President James K. Polk made a proposition to purchase Alta California and Santa Fe de Nuevo México from Mexico. When that offer was rejected, President Polk moved U.S. troops south into the disputed mexican areas. -
Compromise of 1850
This bill defused a political confrontation between slave and free states on the status of territories acquired in the Mexican–American War. -
Republican Party
Pro- and anti-slavery forces struggled violently in “Bleeding Kansas,” while opposition to the act in the North led to the formation of the Republican Party -
Abraham Lincoln
The Republican Party nominated Abraham Lincoln as its candidate for president on an anti-slavery platform. -
The war
Confederate forces bombarded Fort Sumter
