The hayes compromise of 1877 stipulated all of the following conditions except: a. the removal of federal occupying forces in the south. b. continued republican leadership in the nation's executive branch. c. invalidation of the reconstruction amendments by southern state legislatures.

The Hayes Compromise of 1877. stipulated all of the following conditions except (c) invalidation of the Reconstruction Amendments by southern state legislatures. After removal of USA military forces, southern democrats accepted republican Hayes for president, but with the restrainment  of the republican party from interfering in the South’s local affairs. This enabled them to oppose their promise to protect black men’s civil and political  rights which was one of the main points of Reconstruction Amendments. 

ummm? is that supposed to be a question or a but this is a reason he won re-election

explanation:

"despite progress in the war, lincoln and most political pundits were convinced that he would lose his bid for reelection in 1864. the country was war weary and the democratic party's nominee, george mcclellan, was likely to negotiate a peace treaty with the confederacy if elected." - loc.gov

where's the