California is the worst place
One of the reasons why building these towns helped develop the economy was because each one specialized in a different trade, such as woodworking, metalworking, etc., which allowed people to exchange a variety of goods and services.
This is a longer writing paragraph looking worksheet, nobody here will be able to give you a full answer for that. If you need help please don't be afraid to ask a teacher or someone at home for help.
The principle of popular sovereignty was the basis for every new State constitution.