How did christianity develop and spread throughout the roman empire?

How voting rights have changed since the end of the civil war

How did farm families get things they needed, such as cloth, in the mid-1800's

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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