Why did Mandela’s point of view on the use of violence against the apartheid government change in the early 1960s?

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )

what the first or next guy says

which time period is this? or is this story fictional, i'm going to need more info to answer this question