Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:He had devoted his enormous energies to the destruction of what Republicans called the " Slave Power " .
Solution:
He had devoted his enormous energies to the destruction of what Republicans called the Slave Power , that is the efforts of slave owners to take control of the federal government and ensure the survival and expansion of slavery .