Answer :
One factor that led to the African National Congress becoming more violent was B. South African police opened fire on a group of citizens, killing dozens of them.
Why did the ANC become more violent?
When the ANC was first formed, they wanted to use peaceful methods to call for an end to Apartheid.
This changed when the police used live bullets on one such protests and killed people. The ANC then decided to fight fire with fire and became more violent.
Find out more on the African National Congress at https://brainly.com/question/11905249.
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