The correct answer is D) Populism.
Tocqueville later called civil responsibility, Populism.
Alexander de Tocqueville (1805-1859) was a French thinker and political writer that after traveling to America and study its politics, economics and social behavior wrote the book "Democracy in America." He traveled to the United States in 1831 and spent nine months studying America society. After his visit, he concluded that a well-organized society could maintain freedom in a democracy.
The other options of the question were A) Liberty, Lalssez-fair, and C) Individualism