Uniformity: Everyone is put into different groups like catagories and uniformed with different colors according to their intellegence
"Delta children wear khaki. Oh no I don't want to play with Delta children. And Epsilons are still worse. They are too stupid to be able to read or write. Besides they wear black, which is a beastly color. Alpha children wear grey. They work much harder than we do, because they are frightfully clever. Gammas are stupid. They all wear green and delta children wear khaki.
No free will: They dont really think on their own they have a drug to help them do their thinking
Swallowing half an hour before closing time, that second dose of soma had raised a quite an impenetrable wall between the actual universe and their minds.
Corrupt government: a government that is corrup but no one knows their government is corrup because the government hides every imperfection
The director is giving a tour in chapter two and they enter a room full of delta children. A voice from what they describe is no where describes the different colors each child wears and why they wear it. CH.2
In chapter five after the ford celebration Lenina leaves the building with Henry and go to Henry's home but before that lenina takes her second does of Soma.
In chapter 15 the police men run into the scene of the savage. John has thrown away the soma and the cloud of soma was calming everyone making them go into a state where they wont remember the scene the savage was making. They are hiding what is happening so no one turns against the goverment.