To avoid an all out revolution, what does the Tsar adopt?
he resigns
more brutal tactics
introduces democratic reforms
he appoints a new Tsar

More brutal tactics

Explanation:

The Tsar wasn't gonna just resign or appoint a new Tsar, he was going to squash the rebellion as his ancestors had done for decades.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states