This would all depend on the person's life experiences and perspective.
For someone who works day in and out on a factory line receiving little pay, the person who owns the factory is likely to be a robber baron as they feel like the person is profiting off their hard work.
To someone who also owns factories, their fellow owner of industry is likely to be a fellow captain of industry.
The supreme court, it is the only one to deal with jurisdiction
If your choices are checks and balances, federalism, executive power, and common law, then the correct answer is federalism.
Checks and balances has to do with limiting the powers of each branch of the government. Executive power is there to bring new laws. Common law is not written. Federalism refers to the general and regional governments working together on implementing new laws all over the state.