Letter shows Pope Pius XII probably knew about Holocaust early on

(This Sept. 17 story has been corrected to clarify that while the town of Rava-Ruska is now in Ukraine, the site of the Belzec camp is in Poland in paragraph 5)

Reuters
What did the #CatholicChurch, led by #PopePiusXII during #WWII know about activities of #Mussolini & #Hitler & what decisions were made by the church as #Italy was enveloped in war & #Holocaust unfolded throughout #Europe? When faced w decisions of moral leadership, power, how did the Church respond, & what were consequences? Using newly opened #VaticanArchives as well as archives in Italy, Germany, France, UK, & the US The Pope at War: The Secret History of #PiusXII, Mussolini, and Hitler.