How did the 13th, 14th, and 15th amendments strength the republican party in the south?

Amendments were affixed to specific Republican Party stand for particular forthcoming Administrative elections.

Explanation:

The 13th, 14th, and 15th Acts acknowledged collectively as the Civil War Acts were planned to guarantee equity for lately liberated laborers. The 13th Act forbade slaveholding and all customary servitude, lacking in the case of a trial for a violation. Early legislators and legal authors including Thomas Paine, Alexander Hamilton and Thomas Jefferson also held limitations concerning slaveholding because of their dedication to just rights.