Article 191 forbids submarines from being used in or by Germany. Why would the United States want this clause?

Adolf hitler saw political opportunity in germany because select all that apply. germany, along with the world, was in a depression. world war i had heaped unbearable levels of guilt and debt onto germany. high inflation and rampant unemployment left people feeling hopeless. germany's war machine was revving up its production. churches welcomed him into their congregations