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Further, democratic negotiators, or foreign negotiation specialists accepted to assist in the negotiations, may in a single stroke provide the dictators with the domestic and international legitimacy that they had been previously denied because of their seizure of the state, human rights violations, and brutalities. Without that desperately needed legitimacy, the dictators cannot continue to rule indefinitely.

Gene Sharp (2010). “From Dictatorship to Democracy: A Conceptual Framework for Liberation”, p.13, Albert Einstein Institution
Further, democratic negotiators, or foreign negotiation specialists accepted to assist in the negotiations, may in a single stroke provide the dictators with the domestic and international legitimacy that they had been