I believe it is B, but I know for sure it is not A, I can try and leave some links for you to get more info on it
He was a diff. color citizen and he made a speech after rosa parks (diff color) decided to refuse to give up her seat after a long day at work. So he made a " I have a dream" speech and later on he got assassinated in his house.
The Peloponnesian War (431–404 BC) was an ancient Greek war fought by the Delian League led by Athens against the Peloponnesian League led by Sparta. Historians have traditionally divided the war into three phases. ... This period of the war was concluded in 421 BC, with the signing of the Peace of Nicias. Hope I helped! ☺
The people in Africa, sub-Saharan Africa more specifically, did not had their own written languages throughout their history. This meant that they were not able to preserve their cultural heritage in a written way, and that of course can be a problem on the long term. In order to preserve their culture, the African people used the oral way of keeping the traditions alive, mostly by telling stories to the younger ones, thus it was continuing from one generation to other. Also, the music and the dances where crucial for the preservation of their culture, by being able to see and hear the sounds and dances of their ancestors, they were able to easily accept and be interested in their culture, thus learn it, and continue to keep it alive.