Use the following quote and your knowledge of World War II to answer the question.

"Soldiers, sailors, and airmen of the Allied Expeditionary Forces:We are now embarking on a great crusade, toward which we have striven these many months. The eyes of the world are upon you."
~Dwight Eisenhower, June 6, 1944

To what event is General Eisenhower referring?
Responses

Crossing the Rhine to invade the German homeland
Crossing the Rhine to invade the German homeland

Operation Overlord, the Allied invasion of Normandy, France
Operation Overlord, the Allied invasion of Normandy, France

The dropping of the atomic bombs and the Japanese surrender
The dropping of the atomic bombs and the Japanese surrender

The American and Russian armies advancing into Berlin