Why Did the United States Enter WW2?
There were four main reasons why the United States ultimately chose to enter WW2 as an active combatant, as well as a multitude of contributing reasons which came together to spur the sleeping giant into action.
Why Did the United States Enter WWI?
When World War I broke out across Europe in 1914, President Woodrow Wilson, proclaimed American neutrality and was widely supported for doing so. However, public opinion in the United States changed after 128 American passengers lost their lives on the British ocean liner RMS Lusitania when a German U-boat sank it off the coast of Ireland in 1915.