Which statement best explains why the period from the end of reconstruction to the early 20th century was referred to as the nadir of american race relations

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.

if the government does something the people dont like i tihnk threre would be a revolt