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How does the relative lack of indigenous Great Traditions in Africa affect our understanding of African history, particularly sub-Saharan?
Opportunity Cost
The expense of not choosing the second-best option while making a choice.
Machinery
Mechanical devices or assemblies, often powered by electricity or engines, that perform specific tasks, commonly used in industries for production processes.
Petroleum
A natural, flammable liquid found in the Earth's formations, composed of a complex mixture of hydrocarbons and used primarily as fuel.
Opportunity Cost
The value of the best alternative forgone when a decision is made to pursue a particular course of action.