It is believed that Ouaido's expected removal was motivated by two main reasons: the failure to quell the insurgency led by the former Minister of Interior Youssouf Togoïmi and the difficulties with the Doba oilfield project, abandoned by the oil companies Elf Aquitaine and Royal Dutch Shell.
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He successively worked at the Permanent Interstate Committee for drought control in the Sahel, becoming in 1988 the interim director of one of its structures, the Centre d'Etudes et de Recherche sur la Population pour le Développement.
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He later completed his education by receiving a diploma at Yaoundé and, lastly, at the Paris Demography Institute.