Question

provide the best word or words that complete the sentence.
in 1941, germany launched operation blank, an invasion of the soviet union that used the largest military force in history.
overlord
vittles
barbarossa
torch

Explanation:

Operation Overlord was the 1944 Allied invasion of Normandy. Operation Vittles was an airlift operation during the Berlin Blockade. Operation Torch was the 1942 Allied invasion of North Africa. Operation Barbarossa was the 1941 German invasion of the Soviet Union.

Answer:

C. Barbarossa