The wealth of East African city-states was based on Trade.
Answer: D. An economic system characterized by voluntary allocation
Explanation: Socialism promotes or encourages the need for production, distribution and exchange to be run by community at large instead of only the government running the affairs of the community.
Socialism is a shared responsibility for the production and distribution of resouces between individuals in the community or a group. It is the economic and political theory that encourages individuals to do things collectively for the common goal of the society.
GDP per capita only measures the income paid to those residing in the country's borders. GNI per capita can raise a country's standard of living. That's because many citizens live in other countries to get better jobs. They also remit part of their wages back to their families at home.
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