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.
Answer:
truman doctrine is the principle that the US should give support to countries or people's threatened by Soviet forces or Communist insurrection. The invasion of South Korea made Truman genuinely fearful that the Soviet union and China intended to expand the sphere of communism throughout Asia.
