America's involvement in World War Two When war broke out , there was no way the world could possibly know the severity of this guerre. Fortunately one country saw and understood that Germany and its allies would have to be stopped. America's Involvement in World War two not only contributed in the eventual downfall of the insane Adolph Hitler and his Third Reich, but also came at the precise time and moment. Had the united states entered the war any earlier the consequences might have been worse. Over the years it has been an often heated and debated issue on whether the united states co