The so-called "truman doctrine" was specifically designed to aid

c. countries trying to resist the spread of Communism.

the mother countries succeed in doing that by using the colony's natural resources, facilities in a colony, they do not take good care of these facilities, causing them to fail. this has had negative and positive effects on the people of africa, they then governed through direct or indirect rule depending on the country.

hope thsi

the passage of a strict fugitive slave law