What were the four consequences of World War I?

Explanation:

WW1 caused the downfall of four monarchies: Germany, Turkey, Austria-Hungary and Russia. The war made people more open to other ideologies, such as the Bolsheviks that came to power in Russia and fascism that triumphed in Italy and even later in Germany.

World War I caused more damage than any other war before it. 9 million soldiers and as many civilians died in the war. Germany and Russia suffered most, both countries lost almost two million men in battle. Large sections of land, especially in France and Belgium, were completely destroyed.

World War one had huge effects on America including highly productive industry that preceded the Great Depression, jobs given to woman, which helped pass the nineteenth amendment, and a new kind of diplomacy and antiwar sentiment that affected America's entrance into World War II.

downfall of four monarchies: Germany, Turkey, Austria-Hungary and Russia.

Explanation:

war made people more open to other ideologies, such as the Bolsheviks that came to power in Russia and fascism that triumphed in Italy and even later in Germany.