Which of these was a factor in the U.S. entry in World War I?

Responses

A

the halt of the German army

the halt of the German army

B

the sinking of the Lusitania

the sinking of the Lusitania

C

the signing of a peace agreement

the signing of a peace agreement

D

the death of the heir to the Italian throne

1 answer

The correct response is:

B

the sinking of the Lusitania

The sinking of the Lusitania in 1915, which resulted in the deaths of American passengers, was a significant factor that contributed to the U.S. entry into World War I.