Which statement describes the strategy germany followed after russia withdrew from the war?

germany ended submarine warfare in an effort to convince the united states to stay neutral.
germany resumed unrestricted submarine warfare to cut off supplies going to the allies.
germany invaded mexico as a means of distracting the united states from the fighting in europe.
germany appealed to the united states to become one of the central powers.

The correct answer is B) Germany resumed unrestricted submarine warfare to cut off supplies going to the Allies.

The statement that describes the strategy Germany followed after Russia withdrew from the war is "Germany resumed unrestricted submarine warfare to cut off supplies going to the Allies."

On February 1, 1917, the government of Germany resumed unrestricted submarine warfare to cut off supplies going to the Allies. This angered President Woodrow Wilson and he decided to ask Congress for a declaration of war against Germany. The sinking of the Lusitania ship and the interception of the Zimmerman telegram asking Mexico for help in World War 1, also were important reasons for the US to enter WW1. The United States entered WW1 on April 6, 1917.

the answer is a) james madison.