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.
Saving provides a financial “backstop” for life's uncertainties and increases feelings of security and peace of mind. Once an adequate emergency fund is established, savings can also provide the “seed money” for higher-yielding investments such as stocks, bonds, and mutual funds.
The used there engineering skills to control water flow to bring fresh water in
