Answer:
Because USSR was a mass mobilizing totalitarian dictatorship, which occupied most of Eastern Europe, killed and arrested political opposition and even ethnicities seen as a threat to Kremlin, and ran large and influental communist groups/parties in all the western democracies with an ultimate intent to influence
I didnt read the text so i cant help you with the others but for five i would write "I would speak out even if it costed my life because i believe i should be able to speak my will and especially about an important cause"