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

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.