Answer:
The American Civil War was the first in which large armies depended heavily on railroads to bring supplies.
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.
a i think any of yall can help me
Um could you repost the question its not fully on the website