In March 1936 Germany sent soldiers into the French-held territory of the Rhineland, repudiating the Versailles and Locarno treaties.
Amazingly, it would be five torturous years before the United States officially entered war with Germany. What lives could have been spared over the next four years of war, had the United States been willing to fight sooner?
Which is harder:
To defeat a stubborn foe? Or to convince a nation to fight when it desires not to? Often, the latter.