The main motivation was GOLD. but if you need more options EXPANSION OF TERRITORY would work too. Have a good day, Hope this helps:)
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The three types of economic resources are natural resources, human resources and capital resources. The economists refer to these as Factors of Production. Natural resources refer to things found in nature; including sun, air, water, minerals, wood and oil. Anything not created by a human being is a natural resource.
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fue un misionero y médico escocés que exploró gran parte del interior de África. En un increíble viaje en 1853-1856, se convirtió en el primer europeo en cruzar el continente africano.
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