Adolf Hitler's Obsession and the Treaty of Versailles - World War II - One Minute History

In 1918, after a mustard gas attack, Corporal Adolf Hitler learns of Germany's armistice. The Treaty of Versailles treats Germany as a defeated nation, halting its geopolitical ambitions and imposing reparations. Hitler blames politicians and a weak home front for the loss and the treaty, calling it a betrayal. In 1936, he invades the Rhineland, reigniting the quest for Lebensraum. As WWII concludes, the Allies demand unconditional surrender from Nazi Germany.

What actions did Hitler take in 1936 that reignited the fervor for Lebensraum?

What was required from Nazi Germany in the final days of World War II?