Which of the following was an effect of Allied defeats and high casualty rates on the Eastern Front?

(1 point)
Responses

The United States entered the war sooner.
The United States entered the war sooner.

The United States issued the Fourteen Points.
The United States issued the Fourteen Points.

Russia entered the war on the Allied side.
Russia entered the war on the Allied side.

Russia experienced a revolution and dropped out of the war

Russia experienced a revolution and dropped out of the war.