Who were the authors of the influential tract of economic philosophy The Communist Manifesto?

Which of the following philosophers is most closely associated with the existentialist movement?

For which of the following works is J.S. Mill known?

Who of the following wrote the work Utilitarianism?

Soren Kierkegaard, Fyodor Dostoevsky, and Friedrich Nietzsche were early exemplars of what philosophical movement?

Which of the following philosophers is most famous for his work reflecting on the sacrifice of Abraham?

Which of the following thinkers is famous for the work The Phenomenology of Spirit?

The philosopher who wrote the works Thus Spake Zarathustra, The Twilight of the Idols, and Beyond Good and Evil was __________.

Henry David Thoreau is most closely associated with the literary movement known as __________.