Which country had a Communist Revolution and left the war during in 1917

The 1917 communist revolution in the Russian Empire, known as the October Revolution and a part of the Russian Revolution. It resulted in the victory of the Bolsheviks and the creation of Soviet Russia, the predecessor of the Soviet Union.

Explanation:

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his

b) new machinery hope i