A year after the US declared war on Germany, America's contribution to the war effort was still small. Later in 1918, after working through some political and organizational difficulties, American units began to make a difference on the battlefield.

Now that peace had come on the Eastern front, German soldiers were redeployed to the Western Front in one last-ditch attempt to win the war before the number of US troops on the Western Front became overwhelming.

Leon Trotsky challenged the Allies to state what great cause they were fighting for that justified continuing the war. With the Central Powers showing signs of readiness to negotiate, Woodrow Wilson lays out his conditions.