The Little Ice Age caused global cooling from the 14th to 19th centuries due to decreased solar activity, increased volcanic eruptions, and changes in ocean currents. This led to malnutrition, disease, lower food production, and isolated civilizations.
The Americas experienced independence movements in the late 18th and early 19th centuries. The United States declared independence in 1776 and had a civil war from 1860-1865 over slavery. Canada gradually gained independence. Latin America had bloody battles for freedom but struggled to create stable governments.
Violence was common in frontier areas of America as a way to assert honor and status. Politics in 19th century Brazil centered around family alliances. The Union realized it needed to fully target