What helped with the rebuilding of the South? Schools were rebuilt.
Taxes were lowered.
Tariffs were removed.
Railroads were built.

Taxes were lowered is the answer

d) iowa i believe is the answer

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.