 Complete the following phrase:  It was a time of lawlessness and anarchy following the death of Fyodor I, a weak and possibly intellectually disabled ruler who died without an heir. His death ended the Rurik dynasty, leading to a violent succession crisis with numerous usurpers and false Dmitrys imposters claiming the title of tsar. Russia experienced the famine of 160103, which killed almost a third of the population, within three years of Fyodors death. Russia was occupied by the PolishLithuanian Commonwealth during the 