What helped turn U.S. opinion against Germany during World War I?

Question

Group of answer choices

the use of poisonous gases in the trenches

the purchase of Allied war bonds by U.S. banks

the sinking of ships carrying U.S. citizens

the use of airplanes to attack neutral ships

Answer 1

The event that helped turn U.S. opinion against Germany during World War I was the sinking of ships carrying U.S. citizens. Notably, the sinking of the RMS Lusitania in 1915, which resulted in the deaths of American passengers, played a significant role in swaying public opinion against Germany and increasing support for U.S. involvement in the war.