In the ancient world, all of the following were requirements for citizens except: a. paying taxes b. serving in the military c. attending public school d. obeying national leaders without question

What event occurred that led to the weakening of mikhail gorbachev's authority as leader of the soviet union? a. threats by president reagan against the soviet union b. gorbachev's announcement that he would never retire c. the attempted overthrow by fellow communists d. the removal of lenin's remains from red square