The safavid empire was geographically located between which empires? a) persians and ottomans b) ottomans and mughals c) qings and persians d) mughals and qings explain so i can understand the answer

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