in history, did people require outside forces to liberate them ?
Social & public sources
An ANC discussion document reflects on how progressive movements, including the ANC, had to navigate a Cold War-era paradigm that sought to deny colonised peoples national self-determination and sovereignty, framing this as a matter of the movement's own political choices and adaptability rather than dependence on outside forces.
Justice Council Political Analysis
The corpus supplied contains no material bearing on this broad historical question; drawing on the general historical record rather than these sources, the pattern is mixed and case-specific rather than uniform — some liberation struggles were driven chiefly by internal political and military mobilisation, others turned on decisive outside intervention, and many combined both.
Answering for any specific movement requires examining its own record — the treaties, votes, arms flows and interventions particular to that case — rather than a single general answer; the corpus here does not supply that case record.
Conclusion
The supplied corpus — covering contemporary EU, South African, German, Slovenian, Japanese and Polish policy, UN Security Council matters, Sudan/South Sudan/Sahel conflict tracking, Gulf Cooperation Council politics, and South African party-funding and ANC records — contains essentially nothing that directly answers whether peoples have historically needed outside forces to achieve liberation. Drawing on the general historical record rather than on these sources, the honest answer is that there is no single pattern: some liberation movements succeeded chiefly through their own internal mobilisation, others depended on decisive outside intervention, and many combined both, with outside help typically following the intervening power's own interest rather than principle.