It could be argued that the most significant consequence of the Russian Revolution of 1917 was that "<span>A. The Bolsheviks under Lenin seized power and instituted a Communist government that lasted more than seventy years," since this was ultimately the basis for the Cold War that existed between the USSR and the US. </span>
Explanation:
I say it must be the c I'm not sure but hey
During the American Civil War, the Union was conquering more fights in the West. The Confederates were also winning more fights in the East.
In the United States, there was a civil conflict called the American Civil War. It was fought between the Confederates, which was made up of seceding states, and the United States. The main issue that sparked the conflict was whether to allow slavery to spread into the western borders, creating more slave republics, or to forbid it from doing so, which, according to popular belief, would put slavery on the path to eventual extinction.
Learn more about civil war here:
brainly.com/question/28815289
#SPJ4