What does chronological thinking historians do?

Chronological thinking is essential for historians, as it helps them place events in a proper order and ordering them into different periods through the identificartion of those events that changed the course of History. It helps historians to appreciate events into its particular setting and then make interpretation of them as based in proper evidence.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.