Answer:
Option B.
Explanation:
It was greatly strengthened by the end of the economic depression in the late 1870's is the right answer.
The Grange is a congenial business in the U.S. that promotes families to bond together to promote the financial and political welfare of the population and agriculture. The Grange organised following the Civil War in the year 1867, is the most traditional American agricultural promotion group with a nationwide range. The Grange actively urged state authorities and Congress for legislative intentions, such as the Granger Laws to reduce prices imposed by railways, and rural free mail distribution by the Post Office.