What Were the Reasons for the Growth of Privacy in the Eighteenth

What were the reasons for the growth of privacy in the eighteenth century?

A) A growing sense of individualism as a result of Enlightenment thoughts
B) Religion's emphasis on greater modesty
C) Emulating the examples of wealthy people who could afford their own private spaces
D) Decreased emphasis on communal activities such as eating or sharing quarters
E) All of these.