Desegregation of American jails meant inmates from different races were integrated for the first time, and simmering tensions between them saw prisoners group together along ethnic lines in cliques such as the Black Guerrilla Family or the Mexican Mafia.

BBC: News Magazine, Washington DC

Even Kenya, a model of governance by African standards, has simmering ethnic and political grievances that could erupt at any time.

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Many in the state believe that TMC has a fair chance this time, not so much because voters favour them, but because of a simmering discontent among an entire generation of Bengalis that has not seen anything other than the increasingly arrogant CPM in power.

FORBES: Magazine Article