Which best describes the idea of nationalism that spread across europe at the time of napoleon?

Historians sometimes rely on video recordings in researching past events because

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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

How many tell them how to worship and show respect to god?