Opposition from the army

Question 1

What did the army do in 1917 which essentially meant that Tsarism would not be able to recover?

Answer 1

They turned on Nicholas.

Question 2

Why was there a ‘crack down’ on the army under the communists?

Answer 2

-Stalin understood that the army was capable of the most effective opposition.
-Purges of the 1930’s - paranoid as to where the militaries loyalties lied.