Answer:
Because he was considered a criminal
Explanation:
Nelson Mandela is now seen as a hero around the world. However, this was not the case for many years in South Africa. Mandela was a lawyer who became involved in matters of anti-colonialism and nationalistic politics. He joined the ANC and cofounded the Youth League in 1944. He worked towards the overthrow of apartheid and led campaigns against the government. After he was imprisoned, the government banned his photographs and his quotes in order to try to stop the movement that he had begun.
