Traders who traveled to the Yoruba homeland were probably most interested in obtaining "<span>a. corn" </span>from the people there, since corn was not at all readily available where they were from.
The Marshall Plan is a policy carried out by US which directly send loans to Western European nations. The western european countries suffered much loss after wwii,such as having their infrastructures destroyed,and there were a lack of labour due to death and injures. The nations were left vulnerable,which might then fall into the control of USSR. Lest the European nations falling into the control of communism, the capital provided in the Marshall Plan was provided to help the European Nations to restore the economy,which could make them more resistance towards USSR. In the Marshall Plan,nations that recieved aids were requested to increase trade with US with open market,this promoted their own ideology,capitalism and discouraged the advance of Communism.
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The scientific method was discovered in 1561-1626 by Sir Francis Bacon. A scientific method is when the experimenter creates a hypothesis to test it out and make sure it is correct for its project.