The Treaty of Versailles (WWI)

As Known Hitler was a very powerful dictator who controlled very large armies of German troops. He was a very rebellious leader and had killed many people. He was in this alliance where Italy and France had like a treaty of peace between themselves. After the treaty of Versailles was made and Germany lost most of its power, they went into depression and Hitler couldn't stand this, so he gathered up a vast army and thus caused WWII.