This quote from General Dwight Eisenhower was made in 1945:

"The visual evidence and the verbal testimony of starvation, cruelty and bestiality were so overpowering as to leave me a bit sick. In one room, where they [there] were piled up twenty or thirty naked men, killed by starvation, George Patton would not even enter."
—General Dwight Eisenhower

Witnessing what caused the Commander of Allied Forces in World War II to make this statement?

Question

This quote from General Dwight Eisenhower was made in 1945: 

"The visual evidence and the verbal testimony of starvation, cruelty and bestiality were so overpowering as to leave me a bit sick. In one room, where they [there] were piled up twenty or thirty naked men, killed by starvation, George Patton would not even enter." 
—General Dwight Eisenhower 

Witnessing what caused the Commander of Allied Forces in World War II to make this statement?