After the ( Federal Diet ) declared Expressing_publicly the Sonderbund unconstitutional and ordered Arranging it dissolved by force , General Guillaume Henri Dufour led the federal army of 100,000 and defeated Conquering the Sonderbund under Johann-Ulrich von Salis-Soglio in a campaign that lasted only a few weeks , from November 3 to November 29 , and claimed Statement fewer than a hundred lives .