Which of the following best synthesizes why the us never signed the treaty of Versailles

Question

A democrats disliked the terms of the treaty of Versailles believing it would limit American sovereignty
B democrats and republicans could not reach a compromise over the League of Nations
C the attack on Pearl Harbor occurred before the senate could vote on the treaty
D republicans refused to sign the treaty without a clause stating the US would join the league of nations

Answer 1

D republicans refused to sign the treaty without a clause stating the US would join the league of nations