Answer:
Free speech and the regulation of social media content
On June 16, 1976 the Soweto Students Uprising began (Soweto is a neighborhood of Johannesburg). Around 20,000 students went to the streets and made a peaceful protest opposing to Afrikaan as the official language for instruction in schools. The government's responde was violence, killing hundreds of students, as a result, the revolt spread through the whole country and carried on until the following year. These events changed the socio-political landscape in South Africa which main problem was the Apartheid.
Because back In the day there was slavery and they thought that should still be a thing so they started killing and torturing black!?!?
Because once the science of the nuclear bomb was discovered. It was rushed to be mass produced by Rosevelt for use on possible targets (ex: Hiroshima)<span />
23 billion notes valued at more than $600 billion