The spring song says about rainbows and birds
Their items could be delivered quickly and efficiently. The railroads could also be all over the area and the train could travel from one place or another and deliver the necessary items to those companies.
A. Authorities maintain total control over the lives of the people
Totalitarian starts with the word “total” meaning total control. Totalitarian leaders control housing, education, business, labor and wages, press and food supply, to name a few. People in these places have little to no options and are usually extremely oppressed.