Match the boldfaced words in the text with their definitions. a) to make an agreement official b) a written agreement between two or more countries, formally approved and signed by their leaders c) to promise to give yourself, your money, your time, etc., to support something d) a promise or firm decision to do something e) the number or amount of a group or part of something when compared to the whole f) to do something as promised or intended, or to satisfy your hopes or expectations g) not eating enough food to continue to be in good health