Every President of the United States takes an oath, to preserve, protect, and defend the Nation they serve. The pledge demands courageous and difficult decisions. When bold leaders risk all to do what they see as right, their choices can change the course of history. These are the decisions that shook the World. "We all make tough choices, but when you are sitting in the Oval Office as President of the United States, the decisions you make will affect millions of people. Now as Americans are about to decide who is going to be our next President, we are going to look into the heart of some of the most crucial presidential decisions that shook our World. And still do. Imaging it's 1940, and you are Flanklin Roosevelt, Hitler's Nazis have taken most of Europe, and Hitler is about to invade England. The British Prime Minister, Wiston Churchill, is pleading for help. But most Americans want to stay away from the war in Europe. Now you're about to run for re-elect