The correct answer is Diversity.
In the 1800s, Alexis De Tocqueville was impressed by the diversity of American interest groups.
When Alexis De Tocqueville visited the United States he realized that there were many private groups that had their own interests. He was a French politician and historian that supported the ideas of liberty and democracy. In 1831 he visited the U.S, to research the American penal system. What he saw is reported in one of his most important books called “Democracy in America.” These ideas generated respect for Tocqueville between the political class of the U.S.