On September 2, 1874 former President of the Confederacy, Jefferson Davis, delivered a speech in Memphis, Tennessee denouncing a massacre of sixteen black men a week prior in Trenton, TN.
To say for any reason that the United States should not have entered the Second World War is ludicrous. We were presented with the very real threat of anti-Semitic fascism taking control of Europe and the world. We had to enter, to save the vote of the people and of society.
The United States entered World War I for numerous reasons. A German victory would have upset the established balance of power. Should England and her fleet fall into the hands of Germany, the United States would have been in extreme peril to further German expansion.