Which of the following describes sectionalism?
the idea that a state could refuse to follow a federal law it disagreed with
a strong loyalty to a state or region, sometimes at the expense of a nation
the idea that states have powers separate from the federal government
a system that divides power between national and state governments

Over time, historians have changed the ways they study the past because they have: o a. emphasized the study of oral history passed down in communities for generations. o b. started to explore history through the perspectives of many different groups. c. focused on uncovering archaeological evidence rather than analyzing documents. d. largely abandoned studying comparative and cultural history in favor of microhistory.