Question

Which factor led to the Nadir of race relations in the United States from the late 1800s to the early 1900s?

Answer 1

The federal government failed to enforce legislation granting African Americans civil rights.

Step-by-step explanation:

The factor which led to the Nadir of race relations in the United States from the late 1800s to the early 1900s was that the federal government failed to enforce legislation granting African Americans civil rights.

It was also the period in there was a high degree of racism in the country and the continent as a whole.