Which outcome of reconstruction most likely appealed to both southern blacks and whites?

The introduction of a tax-supported school system.

Explanation:

During Reconstruction, the country was transformed in various ways. This is because the nation suddenly had a large number of new citizens that had needs such as housing, jobs and education.  One of the ways in which the country addressed this was through the creation of a tax-supported school system. This was an outcome of the Reconstruction that appealed to both Southern blacks and whites.

some american cities felt workers were being oppressed by business monopolies