Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following philosopher:

(1808-1887) American political philosopher and pamphleteer. Wrote the seminal abolitionist book "The Unconstitutionality of Slavery". Also known for competing with the Post Office with his American Letter Mail Company.
Lysander Spooner
Jean-Paul Sartre
John Stuart Mill
Mary Wollstonecraft