A city state is a city that is its own independent country.
Answer: Exploitation theory
Explanation:
Exploitation theory, also known as Marx's exploitation theory, was at the center of the view of capitalism problems, and can be defined as the Marxists' most associated theory, which profit is as a result wage earners exploitation by their respective employers. It should also be noted that, it relies on the theory of labor of value, which states that value is intrinsic in a product with respect to the amount of labor that has been spent on producing the required product.
The tools that labor can use against management during negotiations would be holding strikes, picketing, and lockout. The only tool that they cannot use while there is an ongoing negotiation would be boycott.
The answer would be letter D boycott.
It is likely C, the Senate and the house of representatives...