How did the racial tension lead to sectionalism

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/XzW3SUN

As the cultures and political issues of the North and South became more and more different, sectionalism began to develop. Sectionalism is loyalty to a particular region or section of a country instead of to the nation as a whole

Explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.