The US Enters the War Review! • Why did the US hesitate to enter the War at the beginning? • What event caused the US to enter the war? How did the United States raise an Army? • Selective Service Act (Draft) • Before draft—200,000 men in service. • 3 million men called to serve. • 2 million went into action in WWI. How did U.S. soldiers help win the war? • Sheer Numbers • Freshness and Enthusiasm • Determination---Beat the Germans How did the U.S. build its naval force? • Encouraged people to work in the ship building industry. • Government took over ships being built for the Great Lakes and for private use. • Fabrication - Assembling ships in a shipyard by bringing in manufactured parts and putting them together. How did the U.S. Navy help win the war? • Opened shipping lanes by stopping U-boats. • Convoy System Merchant ships were surrounded by naval ships for protection. New weapons of Mechanized Warfare • • • • • • Airplane Tank Machine Guns Artillery Zeppelin Poison Gasses Cost of WWI • • • • • • Civilians—13 million deaths Military—13 million deaths Injuries—20 million people Refugees—10 million Economic costs—$350 billion With costs like this it is no surprise that people called this “the war to end all wars”. • The cost was so high, people could not imagine it being worse.