The main figure who fought against the Apartheid policy in South Africa was Nelson Mandela. He played a crucial role in ending the racial segregation laws and became the country's first Black president. His efforts for reconciliation are well-documented and celebrated worldwide. ;
The individual who fought hardest to end Apartheid was Nelson Mandela. His significant contributions included leading the African National Congress and becoming South Africa's first Black president after years of imprisonment. Therefore, the correct answer is B. Nelson Mandela.
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