Why does Elie Wiesel say he was grateful that the American soldiers who liberated him from the concentration camp felt rage at what they saw? Explain.

i think it's either 'to expose the corruption of the communists in russia', or 'to criticize animal brutality by communists in russia.'  

hope this ! : )

we would need to be able to read the passage in question to determine which factor allowed david believe he could defeat goliath. post the passage, and i'd love to out.