Soviet Union had its roots in Russia and it was 1922 - 1991 that's all I know sorry
In the early 1930s, millions of Ukrainians died as a result of 3. a forced famine known as the Holodomor. This famine is widely considered as being a byproduct of the collectivization pushes of the USSR wherein the governments sought to craft a collective society resulting in the growing of unfamiliar crops leading to famine.
It promoted it because now they wanted to fight for there county and supported it