It is considered the first decade of the modern era because it made a big change move from farming cultures toward capitalism, industrialization, secularization, rationalization, and the nation-state.
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I think it is Many Blacks and Native Americans supported them.
After WWI, the Allies made Germany sign the Treaty of Versailles, it was really harsh towards Germany, its destroyed it's economy, its army, and blamed the war on them.
Many Germans, suffering in these conditions, saw Hitler's party as a light, as hope for a better life for them an and their children, because Hitler wanted to restore Germany's glory, and with it, it's economy.
They felt betrayed by everyone, but Hitler was always on their side.
Answer:
it caused them to be free and get jobs