They made this to preserve and protect themselves from the wars in the world. President Woodrow Wilson motivated the Americans to stay neutral as it is called safe democracy. He decided not to let Americans get involved in the wars of other nations. He also stopped providing military assistance to show his neutrality.
We usually associate bullies with being big, strong people, so the authors use of the word “muscle” helps picture the image of Bull Connor as a bully.
This is because Hinduism was highly associated with the Caste System which was a social structure which India adhered to prior to its abolition. It states that the higher your caste, the more likely you are to be able to achieve moksha. If you are in a lower caste, it is because you recieved bad karma in your previous life.