    Sentence After the high emotion of de Gaulle's  march down the Champe-Elys? ?¢s, the business of  post-war reconstruction, though boosted by the  generous aid of the Americans’ Mar?shall Plan,  proved arduous, and the wartime alliance of de  Gaulle’s conservatives and the Communist Party  s00n broke down.    Sentence % After the split, war followed between  the two countries.