Violence of EmpireThe Violence of Empire, J. P. Daughton

"The Congo-Ocean railroad stands as one of the deadliest construction projects in history. It was completed in 1934, when Equatorial Africa was a French colony. African workers were conscripted at gunpoint, separated from their families and subjected to hellish conditions as they hacked their way through dense tropical foliage; excavated by hand thousands of tonnes of earth in order to lay down tr