What made the Tsar the ‘autocrat of all the Russians’? Describe the steps he took just before the Russian Revolution ?

Russia followed autocracy. The tzar wasn't subject to Parliament. This created the tzar the potentate of all Russia. The liberals in Russia campaigned to finish this state of affairs.
The following steps were taken by the tzar simply before the Russian Revolution to establish his authority.
(a) All political parties were declared misbr in Russia.
(b) each potential effort was taken to crush the rebellion and revolution against the tzar.