World War I brought turmoil to Chicago because of its large immigrant population, especially Germans. Read about how the war affected the politics and industry of Chicago both during and after the war.

An article by noted historian, Kinley Brauer, discusses the role of foreign policy for both the North and the South in the Civil War. An interesting, and often forgotten, aspect of the war.

Enrico Fermi was a titan of twentieth-century physics. He outlined the statistical laws that govern the behavior of particles that abide by the Pauli exclusion principle and developed a theoretical model of the atom in his mid-twenties....

Although Americans remained isolationist in their thinking, President Roosevelt understood that the European allies needed help against the Germans. Read about the incremental ways America became involved in World War II in Europe...

Read about the ways the American government and people looked inward during the 1930s, isolating themselves from actions taking place in Europe and Asia.

A brief overview of the decade prior to the American entrance into World War II. Read about the rise in militarism in both Europe and Japan.

President Wilson's claim, "he kept us out of war," did not last. Read about the increasing number of reasons for American to declare war against Germany. See why war was finally declared in April, 1917.

Comprehensive overview provides detailed facts and information on the Sussex Pledge, a promise to the US to alter the German policy of unrestricted submarine warfare in WWI.