The history behind islams religious crescent and star

How does the existence of a site like catus hill demonstrate the challenge that archaeologist face when making theories?

Need ! how did sumner define liberty in the book of "voices of freedom"

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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