The Cold War began after World War Two. The main enemies were the United States and the Soviet Union. The Cold War got its name because both sides were afraid of fighting each other directly. In a "hot war," nuclear weapons might destroy everything.
The main issue that was debated by Lincoln and Douglas was slavery.
St. Francis of Assisi founded the Franciscans and was a cofounder of the Poor Clares with the assistance of St. Clare of Assisi.