It was lead by the Bolshevik party was essentially a revolution against the Pre-WWI Tsarist Regime. Lenin's Bolshevik's spread the idea of communism and equality among all it's citizens which incited the lower class against the upper class and Monarchy.
The results of the Russian Civil war was the establishment of the USSR. Finland, Estonia, Poland, Lithuania, and Latvia were established as sovereign states of the Soviet Union, with the Communist Party in power.
It convinced cubists that new art styles were needed to depict the modern world.
They were wlected by the people and for the people
The correct answer is A.) electric sewing machine
Electric sewing machines replaced hand sewing and made it so that cloth could be produced at a faster rate than ever before.
The Boeing B-29 was used by the United States Air Force towards the end of World War II, as well as in the Korean War. They were only produced from 1943-1946, right at the end of the war. However, they were used by the USAF and Royal Air Force until 1954. The entire line (including the revised version, the B-50) was retired in 1960.
Therefore, the answer is A, since production of the plane stopped in 1946, one year after the end of WWII.