Historical because he is comparing one first to another first in history so that means its historical.
The correct option is : charts
A chart or graphic representation is a type of representation of data, usually numerical, by means of visual resources (lines, vectors, surfaces or symbols), so that the mathematical relationship or statistical correlation between them is visually manifested.
Answer: I think the is acting happy but internally she is sad.
Since Montag is not happy Mildrid cannnot be happy because other people around you affect your mood by their mood.