The battle you are referring to is actually called the Battle of the Ironclads. In this battle, it was the Merrimac (from the Confederacy) versus the USS Monitor (from the Union). This was the first battle between iron-fortified vessels in the Civil War. This battle ended up in a draw but represented a new form of fighting that both the Union and Confederacy had to be ready for.
The reason why people in early farming communities able to do various kinds of work is because there was a surplus of food--meaning that while certain people were responsible for farming and growing food to eat, other people could apply their attention elsewhere, to other skills that benefitted the community. <span />
Importantly, the Preamble declares who is enacting this Constitution—the people of “the United States.” The document is the collective enactment of all U.S. citizens. The Constitution is “owned” (so to speak) by the people, not by the government or any branch thereof.
Your answer will be A. judicial branch. hope this helps!
