“Self-Reliance", an essay written by the American philosopher and essayist Ralph Waldo Emerson, contains the most comprehensive statement of one of Emerson's recurrent tenets: the need for each individual to evade conformity and false consistency, and pursue their own instincts and ideas.
In the previous idea we can claerly read that Emerson valued intuition as a tool to self-reliance.
So the answer is:
C. intuition.
