How you know revolutions are usually caused by a sharp social crisis, but they can never solve it. The new revolutionary power soon discovers its inability to govern society. All old problems remain and new ones are added to them. The new elite anti-crisis measures in the context of the public activity, as a rule, only deepen it and translate into a new quality-a deep systemic crisis in which the first place is not a question of how to live a society, and the problem can it Now live at all. The previous crisis that caused the revolution seems now trifle, compared to its consequences. Thus, In France, the financial crisis in 1789 has outgrown as a result of measures that change each other, revolutionary governments in the financial and economic catastrophe of the 1790-ss. Thus, the withdrawal of Russia from the First World War in six months before its end led to a civil war, the loss of population in which was almost 10 times more than in the previous conflict.
Nelson Mandela helped end apartheid, so A is incorrect. B would be right, but the white population is the minority in South Africa, not the majority. It ended in 1991, so C is not right. This leaves us with D, the correct answer. I hope this helps!
