How have the methods used by early historians to learn about the past changed for more modern historians? a. early historians focused on scientific evidence to support claims, whereas modern historians rely on mythologies. b. early historians often used unreliable sources, whereas modern historians rely on strong evidence to support historical claims. c. early historians only analyzed written forms of evidence, whereas modern historians often rely on oral traditions. d. early historians wrote about events they had not personally experienced, whereas modern historians rely on firsthand evidence.