Reread these lines from the Chapter 1 excerpt and answer the question that follows:

And this great crisis was only the bursting into flame of many smaller fires that had long been smoldering. For generations the two sections had been drifting apart. Since the middle of the seventeenth century, Mason and Dixon's line had been a line of real division separating two inherently distinct portions of the country.

Which of the following best summarizes the main message of these lines?

A. The two sides of the country were irreconcilably different.

B. The two sides of the country should never have been together.

C. The great crisis was caused by Mason and Dixon's division.

D. The great crisis was the result of long-building tensions.

The statement which best summarizes the main message of these lines is option D i.e. The great crisis was the result of long-building tensions.

What is story behind Pony express?

The Pony Express was an American express mail administration that pre-owned transfers of pony mounted riders.

It worked from April 3, 1860, to October 26, 1861, among Missouri and California. It was worked by the Central Overland California and Pikes Peak Express Company.

In the time before electronic correspondence, the Pony Express was the string that attached East to West. Because of the 1849 Gold Rush, the 1847 Mormon mass migration to Utah.

The large numbers who moved west on the Oregon Trail beginning during the 1840s, the requirement for a quick mail administration past the Rocky Mountains ended up being undeniable.

For more information about the great crisis, refer the following link:

https://brainly.com/question/12557283