When the Germany saw that they lost WWI they where furious. They had to pay millions of dollars for reconstruction for the damages they did. So they wanted to get revenge for what happened to them. As Adolf Hitler grew in power he was not so happy with the treaty they did which was the treaty of Versailles that the German`s had made. That`s when Hitler gained mad power and wanted to rule all Europe and move on to the rest of the world but would fail.
