Why did the british participate in the crimean war? they wanted to establish a colony on the crimean peninsula. they did not want the russians to control the black sea. they were the allies of the russians. they wanted to impress the sardinians.

the russian revolution of 1917 involved the collapse of an empire under tsar nicholas ii and the rise of marxian socialism under lenin and his bolsheviks.

the speech convinced americans that the ussr was an enemy, rather than an ally, which led to the creation of the truman doctrine.