What was the irony of history that occurred in 1876?

An

The presidential election, reconstruction was dealt a death blow," it could have a cause a new Civil War

Explanation:

"irony" is something you don't expect, something that doesn't seem to fit. What was the irony of history that occurred in 1876?

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939