Select the correct answer from each drop-down menu. The was perhaps the most important event of the American Revolution. It led to the Patriots’ overall victory. General and his troops attacked General British army for almost three weeks nonstop, until the British surrendered. The naval fleet helped the Continental army secure this victory.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.