The efforts by republicans such as Schurz failed due to the fact that the Republicans grew tired of pressing their Reconstruction agenda in a hostile environment.
This was period that happened after the American war was over. The purpose of the reconstruction was due to the fact that the issues of slavery was to be addressed.
Another reason for this was the fact that the state that left the Union were to be readmitted.
Read more on the reconstruction here:
https://brainly.com/question/13753522