What you are describing is the system of checks and balances.
In the United States there is a system of checks and balances. In our federal government, we have three different branches including the executive, legislative, and judicial. In our system, the executive branch consists of the president while the legislative branch consists of the Senate and House of Representatives. These different branches all have the ability to check the other branches. This ensures that no one branch or individual will gain too much power.
D is the answer hope this helps
D Because it does not run north to south, it was completed after the Civil War, and it didn't really help to ship cotton to Britain more quickly.
Explanation:
the renaissance was a rebirth of ancient Greek and Roman thinking and style, and both the Roman and Greek civilizations were Mediterranean cultures, as is Italy. the best single reason for Italy as the birthplace of the renaissance was the concentration of wealth, power and intellect in the church