Why didn t the USSR annex Eastern Europe after World War 2?

Try PIA Risk-Free Here : https://www.privateinternetaccess.com/Knowledgia Why didn t the USSR annex Eastern Europe after WW2? ♦Consider to Support the Channel of Patreon and gain cool stuff: https://www.patreon.com/Knowledgia ♦Please consider to SUBSCRIBE : https://goo.gl/YJNqek ♦Music by Epidemic Sound ♦Script & Research : Skylar J. Gordon - https://www.youtube.com/channel/UCZNL5Mmj7ivIgLMSmoNb34w/videos ♦Sources : https://www.history.com/topics/russia/history-of-the-soviet-union https://www.history.com/this-day-in-history/the-warsaw-pact-is-formed ♦Script & Research : Skylar Gordon #History #Documentary #Ussr