In the Compromise of 1877, Hayes was elected President agreeing to:

Immediately after the presidential election of 1876, it became clear that the outcome of the race hinged largely on disputed returns from Florida, Louisiana and South Carolina the only three states in the South with Reconstruction-era Republican governments still in power

Explanation:

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both the house and senate must approve the conference report.   after it is approved by both on an identical from, it will be sent to the president.   if the president approves it, it will become law.

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