This document provides an overview of key events in World War II in Europe. It discusses Germany expanding its military in violation of the Treaty of Versailles and taking over areas around its borders like the Rhineland. It describes the policy of appeasement by France and Britain as Hitler continued expanding. It then outlines Germany's quick conquest of Poland, Denmark, Norway, Belgium, Luxembourg, and the Netherlands using blitzkrieg tactics. Germany is also described as defeating France in June 1940. The document ends by mentioning the US providing aid to the Allies through the Lend-Lease Act despite not wanting to officially join the war at that point.