Final answer:
The main idea of 'Long Walk to Freedom' by Nelson Mandela and the relationship between Rajmohan Gandhi and Mahatma Gandhi.
Explanation:
The main idea of 'Long Walk to Freedom' by Nelson Mandela is his journey towards political activism, fight against apartheid, imprisonment, and eventual presidency in South Africa, emphasizing the themes of resilience, justice, and forgiveness.
Rajmohan Gandhi is a historian and the grandson of Mahatma Gandhi, making him related to Mahatma Gandhi as his grandson.
Learn more about Nelson Mandela and Rajmohan Gandhi here:
https://brainly.com/question/43537860
