What convinced germany to sign an armistice ending world war 1?

The United States’ “Fourteen Points” plan for peace, is the right answer.

Explanation:

Germany signed the armistice ending the First World War because it felt that the 14 points were genuine and authentic. Nevertheless, they were cheated because the trial was much more stringent because nations like Britain and France required it to be so. This commenced to mass anxiety and the inevitable rise of Hitler and the Third Reich.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

c. more people could read and interpret the bible for themselves