What was Pope Pius' role in World War II?

I have been caught up in some heated conversations about the world war and the “rat lines” Was Pope Pius involved in the rat lines and did he aid in the escape of top Nazi commanders?

These links should be helpful in answering your questions about Pope Pius XII and the Jews during WWII. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.

Recommended reading:

How Pius XII Protected Jews by Jimmy Akin
Hitler, the War, and the Pope by Ronald J. Rychlak
%between%A Pius Legend (This Rock: November 2006)
Historical Dishonesty (This Rock: January 2001)
The Framing of Pius XII (This Rock: March 2006)
You Be the Judge (This Rock:January 2001)