D) they were religious centers
Answer:
A. Distance and Time
Explanation:
The formula to calculate speed is: 
, where d is distance, and t is time.
Mandela had to hold secret talks with the government so that the whole of society would not find out about his negotiation to get out of prison and make a peaceful transition to peace.
<h3>Who was Nelson Mandela?</h3>
Nelson Mandela (1918-2013) was a South African activist who served as President of South Africa from 1994 to 1999.
A notable aspect of his life was that when he was last in jail he secretly held active negotiations with the apartheid government to be released and begin a transition to a peaceful government.
This had to be secret to avoid the agitation of the black majorities in the streets and that everything turned into chaos and destruction. Once he was released, he was able to lead the blacks to begin the peaceful transition.
Learn more about Nelson Mandela in: brainly.com/question/15825402
#SPJ1
Roundheads and they fought to charles 1 of England and his supporters
