Because men 18-35 had to serve for 3yrs, later 17-50, and if he couldn't afford it, he would have to hire a substitute to serve for him.
Answer:
The third sentence is a clear example of the concept of social contract.
Explanation:
The idea of social contract became important during the Enlightenment because it established that the power lies in the people and not in the figurehead of government. The French writer Rousseau is one of the Enlightenment thinkers that popularized the term. This concept goes on to explain that if the government is not serving its people and is not acting in the people's best interest, then the people have the right to remove it and place a new government in its place. This can clearly be seen in the third sentence.
C or d would be the answer
