Can someone please help me answer the questions?

In this theory for forming a government, violence has made people follow a leader. evolution theory force theory divine right theory social contract theory

Match the events to the impact they had on africa during the late 19th century 1.colonization of the congo 2.berlin conference of 1884 3.berlin act of 1885 settled tutorial disputes between european nations prohibited the slave trade in africa marks the beginning of scramble for africa

Which two sentences in this passage talk about china’s efforts to curb environmental degradation?