5. Which of the following statements is the best example of a social contract ?* (5 Points)
A social contract is based on the belief that people must be willing to give up some of their freedoms to
maintain order
The people individually make decisions for themselves, and those help society function.

A social contract is an agreement between people in a society to cooperate for social benefits, such as giving up their freedoms for protection. So the answer would be "A social contract is based on the belief that people must be willing to give up some of their freedoms to  maintain order"

Explanation:

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!