Answer:
he Populists believed that the federal government needed to play a more active role in the American economy by regulating various businesses, especially the railroads.
Explanation:
Your answer would most DEFINITELY be D., because it is already stated that "men", (all people), easily abuse the right of liberty and may not be given 100% trust, so the government must make sure to help protect the right from the selfishness of the people's use of that right. :)
I believe this can be modeled by the equation:
w=120+5(h-30)