The Triangle Trade brought labor for a <em>very</em> cheap price, much much cheaper than indentured servants. They also began to use the triangle trade instead of enslaving the locals because the natives knew their way around the land and could run away easily.
The Marshall Plan was Secretary of State George C. Marshall's plan for the U.S to offer economic aid to the European nations to help recover from WWII.
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The launching of D. Sputnik started the space race