They were mostly self employed
The correct answer is:
A) The government was unclear of atrocities comitted by its military.
the International Commission of Inquiry for Darfur of the United Nations 4 did not declare that Sudan committed genocide (although it did not rule it out either, and stressed that the war crimes and crimes against humanity that were committed "are no less serious and abject than the genocide") . To date, the International Criminal Court (ICC) has not accused any Sudanese of genocide, although it has charged two of them with war crimes and crimes against humanity.
Answer:
a,b,c are correct... take for example Indus valley civilization
I believe was partly the result of WWI and the reparations that germany was forced to pay. Which led to the belief that the mentioned groups were responsible a.k.a scapegoating.
Later, they were deemed enemies of the state and hence rounded up and shipped off to labor camps where they were worked to death
The "Comprehensive Nuclear Test Ban" Treaty.