`  == Whose end? == The second paragraph in the second main section (``The Radical coalition``) ends with these three sentences: ``Finally in 1872, the Liberal Republicans, most of them ex-radicals, ran a presidential campaign, and won the support of the Democratic Party for their ticket. They argued that Grant and the Radicals were corrupt, and had imposed Reconstruction far too long on the South. They were overwhelmingly defeated and collapsed as a movement.``  I can't tell who ``they`` is in the final sentencethe Radical Republicans or the Liberal Republicans?   `