Someone pls help me I will make you

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

Yugoslavia a: nato b: warsaw pact c: not a member of either alliance

What evidence is there in this document that the policy was a good idea?