There were many reasons. The country was in extreme poverty, there was starvation everywhere and people were dying in misery. They wanted to change the imperialistic rule and impose their own bolshevik rule. People also wanted to end their participation in the war which is one of the first things that happened after the revolution. The communists left the war before the war ended.
Answer:
Imperial expansion relied on the increased use of gunpowder, cannons, and armed trade to establish large empires in both hemispheres
Political and religious disputes led to rivalries and conflict between states
This is true, the police used violent tactics also.
Answer:
Spain's location is in close proximity to North Africa.