Just days before the signing of the...
With its population booming,...
The surge in migrants heading west...
Even as California was being...
In 1854 the Kansas-Nebraska Act...
For many US citizens, the...
In Mexico, the antagonism between...
The 1850s conflict in the US over...
By 1860, the rift between the slave...
The secession of South Carolina...
Despite the Confederacy's...
The attack on Fort Sumter aroused...
