Answer:
B. It guarantees that separate branches of government have similar powers. Each branch controls its own policies and has its own regulations, but each branch have the power to keep the other two in check. It's a system know as Checks and Balances.
Explanation:
The answer is B increased trade with others because when they traded with others they made money to make more houses and kept on selling crops that people wanted make a lot of money to build cities and buildings.
