Answer:
"John (“Jack”) Reed wasn’t looking backward to the French Revolution or even the Paris Commune when he chronicled the seizure of power of the Russian Revolution of 1917. As a 30-year-old independent radical journalist, he was looking at it with fresh eyes. What he saw was not just the overthrow of a repressive monarchist oligarchy and its attendant bourgeois class, but a vast democratic, majoritarian movement based on “soviets,” or councils, made up of workers, soldiers, and peasants. Although he had been embedded in Pancho Villa’s rebel army in Mexico and covered Industrial Workers of the World strikes in New Jersey and miners’ struggles in Colorado, it was witnessing the cataclysmic events in Russia that confirmed him as a revolutionary."-Ten Days That Shook the World by John Reed
The American civil War was a war fought from 1861 to 1865. It was one of the bloodiest wars.
European leaders responded to Islamic expansion in a very violent way. Following the initial incursions of the Islamic forces in those years, the European leaders decided it was time to take up arms and fight them in their own lands - what followed were the Crusades.
It allowed Missouri to be a slave state.