Nelson Mandela became a leader in the African National Congress (ANC). At first he pushed hard for the congress and the protesters to follow Mohandas Gandhi's non-violence approach. At one point he started to doubt that this approach would work and started up an armed branch of the ANC. He planned to bomb certain buildings, but only the buildings. He wanted to make sure that no one would be hurt. He was classified as a terrorist by the South African government and sent to prison.