By the beginning of the 16th century...
In 1508 the Spanish explorer Ponce...
Despite almost 25 years of Spanish...
Cortés’ capture of Tenochtitlan...
A united Central America had broken...
An even bigger flashpoint than...
With its population booming,...
The surge in migrants heading west...
In 1854 the Kansas-Nebraska Act...
For many US citizens, the...
By 1860, the rift between the slave...
When the Civil War broke out,...