What George Kennan meant when he first introduced the idea of Containment is that the United States would not confront communism in those countries where this is already present but would make a way to cease its spread most especially across Europe. Hope this helps.
This event came to be called Kristallnacht (The Night of Broken Glass) because of the shattered glass that littered the streets after the vandalism and destruction of Jewish-owned businesses, synagogues, and homes.
