How is it possible that the europeans were able to bring positive activities to africa during the colonization period

The African tradition religion was also destroyed due to the introduction of Christianity, they forced the people to learn their language, taught them how to eat European food and dress like Europeans abandoning their own traditional way of eating habits and dressing and the spread of virulent diseases.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

i would say that the politicial parties from state to state varies.