Which enlightenment thinker wrote that people in society are bound to one another by an implicit 'social contract'?
a. voltaire
b. marie arouet
c. jean-jacques rousseau
d. thomas paine

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.