The physicist Walter Heisenberg was most noted for which of the following?

The first Popular Front government in France adopted which of the following policies?

Which state dominated the market for dye-stuffs by 1900, controlling 90 percent of the market?

What was one way Hitler brought Germany out of the Great Depression?

Which European writer used fantasy to examine moral issues while remaining confident about the human condition?

Who among the following was the romantic nationalist who challenged Cavour for control of southern Italy?

Which of the following was a significant effect of the Great Depression in Europe?

As a result of World War I, Eastern Europe experienced which of the following fates?

In 1914, the Ottoman Empire joined the war on whose side?

For Woodrow Wilson, the most important thing after the war was to do which of the following?