Dictatorship is the answe
Convict lease system, which was popular in the South essentially leased convicts to large agricultural operations. This system led to many forms of abuse of workers who had lost their rights as a result of being convicted of a felony, whether guilty or not. This was particularly true for African Americans in the late-nineteenth century. One of the most notorious of these operations was Parchman Farm in Mississippi, which literally utilized thousands of black convicts for various unpaid tasks.
Almost all humans to a certain extent are dissatisfied with the limited availability of resources, but if you're speaking from an academic point of view, it would be Economists, since they study choices made from this limited availability.
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