Nyorai mberi kweiyi ndima - Achikurira mumhuri yevaimbova varwi vehondo, Passy akarondedzera munhoroondo yake youpenyu kuti "aigona kuva nyore sei kukwezvwa kunzira yehondo". Panzvimbo pezvo, nhau pamusoro pezvinotyisa zvokukundwa kweAlgeria neFrance dzakamusunda kurangarira tapuro iyo hondo yakanga yaita pavanhu. Makore okusagutsikana kwechisimba muItaly, Poland
, uye Austria nePrussia zvakatungamirira kukurudziro yefederation yeEurope kubva kune vakasununguka vakakurumbira uye vezvematongerwe enyika: Pierre-Joseph Proudhon, Émile de Girardin, Passy, uye Michel Chevalier vose vakanga vari vatsigiri vepfungwa iyi. Muna 1859, Passy akashora pfungwa yokuti chiito chechiuto chingava mhinduro yezvinetso zvamatongerwe enyika, achitaura kuti panzvimbo pezvo Europe inofanira kuva ne"kongiresi inogara iripo yokutarira fariro dzavose dzorudzi rwomunhu" uye mapurisa enyika yose.