The correct answer to this open question is the following.
The Great Depression affected Germany in that the Weimar Republic lived heavy inflation in the decade of 1920 because Germany had to pay many reparations due to World War 1 and the agreements of the Versailles Pact. The Weimar Republic decided to borrow money from the United States instead of collect more taxes on its citizens. The government cut spending and the interests paid to the US worsened the poor economic situation in Germany. This situation created a frustrated and angry people ready to accepts the radical ideas of the Nazi Party and Adolph Hitler.
In the United States, the situation was also critical. People lost their jobs, companies closed, and banks went into bankruptcy. Inward, the military had to be aware that violent acts or protests could be controlled and in the foreign arena, the US government decided to stay neutral, backing from major international involvement. That isolationism continued until the beginning of World War II.