In economics, the demand curve is the graph depicting the relationship between the price of a certain commodity and the amount of it that consumers are willing and able to purchase at that given price. It is a graphic representation of a demand schedule
The compositional innovations are referred to styles or forms of music during last centuries and today they are studied by great musicians.
The order from earliest to latest is the next:
1. The Guidonian Hand. It comes from around 416 to XV century.
2. Polyphony. Its origin is from IX approximately.
3. Organum. The historian put it around XI and XII.
4. Motet. At century XII.
Explanation:
Because it was the first big group of people who had one leader, always lived in a concrete place. Also they invented lots of new things that was more complex than those things who were invented before
Your Answer is B) Charter colony.