Hey there,
I don't get your question but I can explain what a plateau is:
https://en.wikipedia.org/wiki/Plateau
Throughout the history we can see a trend of giving citizenship to more and more people, rather than just to elites. For example, in the early stages of history only men possessed citizenship, and also significant portions of societies did not have the country's citizenship, such as in the case of slaves.
This hindu religion comes from India
Diplomacy is the correct answers
All of these are correct. Great Job