Which of these tsars' short reign gave rise to the Time of Troubles?

Question

Quizplus · Accepted Answer

Boris Godunov's short reign (1598-1605) gave rise to the Time of Troubles, a period of political and social upheaval in Russia characterized by famine, rebellion, and foreign intervention. Boris Godunov's son and heir, Feodor, was weak and ineffective as a ruler, and his death without an heir led to a struggle for the throne and the onset of the Time of Troubles.

Which of These Tsars' Short Reign Gave Rise to the Time