In which wars army men awarded with the Croix de Guerre, fought?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/awards> <http://dbpedia.org/resource/Croix_de_guerre_1939–1945_(France)> . ?x <http://dbpedia.org/property/battles> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MilitaryPerson>}
Croix_de_guerre_1939–1945_(France)