Civilizations appear to develop, flourish, and fall’. In this regard, compare, contrast, and contextualize the social, cultural, political, and economic history of early civilizations and the present day world. According to you, how does the nature of a civilization affect the events of human history

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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