It happened because the consuls only cared about their own personal wealth and not for the people. The senate got richer and richer while the people got poorer and poorer. It ended with the rise of the Empire and the rule of an Emperor. The disadvantage was that all of the power was in the hand of a single person and often the Roman emperors were tyrannical.
The reader enjoys a satisfying conclusion to the end, enjoy catharsis.
In the 1962 book Silent Spring, Carson wrote how pesticides killed everything and should be called biocides because of that. Even though she had her worries about acute pesticide poisoning, she was really alarmed about slow pesticide poisoning of everything, like humans and plants. Her intentions on the book were to educate people about pesticide risks, trying to transform the "myth" of pesticides into reality for the masses.
The type of economic system when government owns the factors of production, answers the question of who, what and how to produce, and eliminates choice and competition is called a command economy. It is the opposite of a market economy.
