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...
When the Civil War broke out,...
Moving through Kentucky down the...
Union successes in Tennessee forced...
