The Little Boy bomb is another name for the atomic bomb. It was landed on Hiroshima.
The American West was indeed a land of great opportunity from 1865 to 1900 in the sense that there was an abundance of land and resources available to all those willing to go west.
The Russian people started to revolt. The Bolsheviks, promising peace, land, and bread, took over Petrograd and Moscow, ousting the provisional government almost bloodlessly.
The company towns reinforced it by having special wages for people of different ethnicity or by racially profiling and segregating those that they didn't want to be equal with Caucasian workers. This caused an even bigger drift between people and distrust to arise.