(A) ** Germans and Russians
(B) French and Americans
(C) Russians and French
(D) Germans and French
EXPLANATIONS BELOW
Concept note-1: -On the Eastern Front, Germany and other members of the Central Powers, such as Austria-Hungary and Bulgaria, fought against Russia and Romania of the Allied and Associated Powers.
Concept note-2: -The fighting on the Eastern Front was terrible and incessant, brutal beyond belief. Both sides fought with demonic fury-the Germans to crush the hated Slavs, and the Soviets to defend the sacred soil of Mother Russia.
Concept note-3: -The two principal powers were Germany and the Soviet Union, along with smaller Axis allies like Finland, Romania, Bulgaria, Hungary, and Italy. Though never engaged in military action in the Eastern Front, the United States and the United Kingdom both provided substantial material aid to the Soviet Union.