Rubuta ci gaba don wannan sakin layi - Monnet ya fahimci sha'awar de Gaulle don yin aiki da sauri don ƙirƙirar ikon Faransa a Biritaniya bayan da Faransa ta mika wuya a ranar 22 ga Yuni, 1940
, amma bai yarda da da'awar Janar ba cewa shi kadai ya wakilci Faransa da ke yaƙi. Da ya gwammace de Gaulle ya yi aiki tare da wasu waɗanda suke magoya baya, a wancan lokacin, na ci gaba da juriya kamar Janar Charles Noguès a Arewacin Afirka. Har ila yau, Monnet ya yi tunanin cewa wata ƙungiya da ke tsakiyar London za ta bayyana ga Faransanci a matsayin motsi a ƙarƙashin kariyar Burtaniya kuma an yi wahayi zuwa gare ta da bukatun Burtaniya. A cikin wata wasika ga de Gaulle a ranar 23 ga Yuni, Monnet ya ce ya sanar da waɗannan damuwar ga jami'an Ofishin Harkokin Wajen Burtaniya Alexander Cadogan da Robert Vansittart, da kuma jakadan Churchill Edward Spears. Duk da haka, Monnet ya ci gaba da kyakkyawar dangantaka da de Gaulle, kuma sun yi aiki tare shekaru uku bayan haka a Algiers.