Why Have the Pressing Needs of So Many African and Asian

Why have the pressing needs of so many African and Asian peoples been so often ignored?

A) Because they lack resources that developed countries need
B) Because many Westerners still harbor racist beliefs and feel culturally superior toward non-Europeans.
C) Developed countries are too busy trying to hold on to the gains they have made at home to become involved in social issues elsewhere.
D) The developed countries have to spend so much militarily to protect what they have achieved at home, that there is nothing left over.
E) People in Third World countries are afraid to take very much financial help from wealthier countries, lest they find themselves colonized once more.