The answer is really self explanatory. Rationing food allowed them to get through out the war without having to worry about the amount of food supply they had.
He believed in democracy a lot.
C - the older brother is cross because he's stayed at home and served him father while his younger brother has gone out and spent all his inheritance money. He wants his father to give him a party because he's been loyal and he thinks he deserves it more than the younger brother.
Sonata form, also known as sonata-allegro form, is an organizational structure based on contrasting musical ideas. It consists of three main sections - exposition, development, and recapitulation - and sometimes includes an optional coda at the end.