I choose C and E, but I don't know if you need to only choose 1 (:
Explanation:
Winston Churchill Warns of Soviet “Iron Curtain” Remembering the anniversary of one of Churchill's famous post-war speeches. ... “His words, he continued, were not offered in the belief that war with the Soviet Union was inevitable or immine
The person that got shot was Archduke Franz Ferdinand, Heir of the Austrian- Hungarian throne.