Answer:
The first one, humiliating defeat of Russia by Germany
Explanation:
Russia pulled out of the war and was engaged in a civil war which occupied most of the nation, and allowed Russia to pull troops to the Western front for their upcoming Spring offensive
The correct answer would be: Received unequal pay
Explanation:
The upheaval was caused by widespread discontent with the French monarchy and the poor economic policies of King Louis XVI, who met his death by guillotine, as did his wife Marie Antoinette.
1850-1900 because at the start of the 1900 is the industrial revolution
