The major concern of scientists who left Nazi Germany for the states before ww2 was that a new Nazi would heavily persecute the Jews ,many of whom held positions in the realm of science
The civil war is most probably one of the best researched conflicts in world history. However, there is still a lot of space for discussion and speculation.
The correct answer is Czechoslovakian leader Alexander Dubcek
Socialism with a human face was a policy of mild democratization and political that was aimed at helping the Communist Party to maintain real power. Alexander Dubček announced this political program at the Presidium of Communist Party of Czechoslovakia on April 1968
What happened? The massacre was a street fight between British soldiers, snow balls, sticks, stone's and more were thrown. 7 colonist died.
-Seth