In 944, he participated in the African National Congress of South Africa (ANC), which advocated non-violent struggle.

Became president of the ANC Youth League of South Africa
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In 1948, the Boer-run South African National Party won the general election. Because of this party's support for apartheid, Mandela began to actively enter politics. played a leading role, and the foundation of these movements was the Freedom Charter. At the same time, Mandela and his law firm colleague Oliver Tampo opened the Mandela Tampo Law Firm to provide free or low-cost legal advice to blacks who could not afford a defense lawyer, and successively served as a non-state lawyer. Executive Committee Member, Chairman of the Transvaal Province, and National Vice-President. At the end of 1952, he successfully organized and led the "Contempt for Unjust Law Movement", which won the respect of all blacks. To this end, the South African authorities have twice issued a ban on him not allowing him to participate in public gatherings.

On September 2, 1958, Hendrik Frensch Verwald became the Prime Minister of South Africa. During his administration, he introduced the "Bantustan Law", which limited more than 10 million African blacks to only 12.5%. In South Africa, and at the same time in the country, a strengthened pass system was implemented, which intensified the conflict between blacks and whites in South Africa, and eventually led to the Sharpewell massacre.

Mandela with two in 1950
On March 21, 1960, the South African military police shot at 5,000 protesters who were demonstrating in Sharpeville. The massacre resulted in 69 deaths and 180 injuries. Mandela was also arrested and imprisoned. But he was eventually acquitted by defending himself in court arguments.

In 1961, he led a strike movement to protest and boycott the "Republic of South Africa" ​​established by white racists; thereafter he turned to underground armed struggle. Mandela created the ANC military organization: Umkhonto we Sizwe (Spear of the Nation) and served as commander-in-chief. He has traveled secretly abroad and attended an anti-freedom movement conference in Addis Ababa calling for economic sanctions on South Africa. [3]