This historian would be using the skill of "comparative analysis," since he or she is comparing a wide variety of sources to draw a conclusion between them as a group.
What are all the choices?
I’m pretty sure it changed because he was the first person ever to run for president that wasn’t a politician or founding father. He was just a wealthy guy. Fun Fact: That is why Trump has his painting in the Oval Office an not because of the things he did to the native americans.
