This is from Natalie Letsa in Foreign Affairs (highly recommended):
So far, at least 400 civilians and 160 state security officers have been killed in the conflict between the government and an armed separatist movement that, just two short years ago, started as a peaceful strike of lawyers and teachers.
…the Anglophone regions’ relative distance from both Biya’s networks of patronage and influence and the Francophone state media puts them in a unique position to see the autocratic nature of the regime and rebel against it. Although 75.4 percent of Francophone Cameroonian respondents said they trust Biya “somewhat” or “a lot,” in the Afrobarometer poll, only 45.5 percent of Anglophones felt the same way. Part of the reason for this is easier access to criticism of the Biya government.
…Cameroon’s Anglophone regions are also more economically autonomous from Yaoundé. They have a robust cross-border trade with Nigeria, successful plantations in the Southwest, and fertile farming land. They are not overly-reliant on the export of primary resources, such as oil or timber, which funnels through state-owned corporations. And they are not as poor as, for example, the northern regions, which face chronic food insecurity. The Anglophones thus have not only the will, but also the resources to rebel.
In addition to Letsa’s piece, Janet Lewis’ research on the dynamics of rebellion onset sheds some light on the underlying dynamics of the armed rebellion in anglophone Cameroon:
Because insurgent group formation typically occurs in secrecy and in poorly monitored areas, the empirical record on conflicts’ start is spare and systematically omits rebels who fail before committing substantial violence. This article argues that this presents a fundamental challenge for the study of conflict onset and demonstrates the theoretical and empirical problems it causes in studying a controversial relationship: how ethnicity influences armed conflicts’ start. Unusual evidence on all armed groups that formed in Uganda since 1986 indicates that ethnic mobilization was unimportant to the initial formation of rebel groups—but mattered after nascent groups had already formed. Contrasting evidence from Uganda with a prominent argument that ethnic marginalization induces rebellion shows why lack of evidence about how insurgencies begin can lead to broader inferential pitfalls.