What group did Nelson Mendela attend meeting?

Nelson Mandela was a member of the African National Congress (ANC), where he attended numerous meetings and played a key role in the anti-apartheid movement. He also participated in meetings with various organizations and groups advocating for racial equality and justice, including the South African Indian Congress and the Congress of the People. Mandela's involvement in these meetings was crucial in shaping the strategies and policies that ultimately led to the end of apartheid in South Africa.