How did Charles de Gaulle build the Free French movement in Britain?

Charles de Gaulle built the Free French movement in Britain starting in June 1940, following his arrival in London after the French government decided to seek an armistice with Germany.12

His efforts to establish the movement included:

• Public Appeals: On June 18, 1940, de Gaulle broadcast an appeal from London urging his compatriots to continue the war against Germany under his leadership.12
• Organizational Development: He established the Free French Forces (Forces Françaises Libres), initially composed of French troops already in England, volunteers from the French community in Britain, and units of the French navy.1
• Political Legitimacy: In 1941, he created the French National Committee, a government-in-exile that he boldly positioned as the legal representative of France, eventually gaining recognition from Allied governments.31
• Expanding Influence: He sought to unify resistance efforts by sending his representative, Jean Moulin, to France to organize various groups, which culminated in the formation of the National Resistance Council in 1943.31

Despite initial obscurity and tensions with Allied leaders, de Gaulle’s unwavering conviction and political maneuvering allowed him to emerge as the unchallenged spokesman for French resistance.32