What was the Gag Rule?

A. a law that prohibited the debate and discussion of slavery in Congress

B. a law that prohibited bringing new slaves into any part of the United States

C. a law that prohibited African Americans from learning to read

D. a law that prohibited the production of abolitionist newspapers

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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