Which term describes the strong divide that was created between the north and south and led citizens to be loyal to the region in which they lived?
a. sectionalism
b. succession
c. federalism
d. nullification

"Sectionalism" is the term among the choices given that describes the strong divide that was created between the north and south and led citizens to be loyal to the region in which they lived. The correct option among all the options that are given in the question is the first option or option "A". 

This one hard but um i have no idea i’m sorry

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !