Where did the velvet revolution occur?
a. poland
b. hungary
c. romania
d. czechoslovakia

who poland achieve freedom from communist rule?
a. imre nagy
b. janos kadar
c. lech walesa
d. nikita khrushchev

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

Brainliestttme : ) how did the soviet union try to maintain control?

Me asap i will mark you as brilliant