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In a sinusoidal traveling wave,the distance between two points that differ in phase by 2 radians is the
Sub-Saharan Africa
The area of the African continent that lies south of the Sahara Desert, characterized by diverse cultures, languages, and ecosystems.
European Explorers
Individuals from European countries who embarked on voyages during the Age of Exploration to discover new lands, trade routes, and resources.
Trade Network
A trade network is a system of interconnected markets and trade routes through which goods, services, and sometimes ideas are exchanged across regions or countries.
Indian Groups
Indian groups typically refer to the various indigenous peoples and cultures native to the Indian subcontinent, or alternatively, indigenous peoples of the Americas before European colonization.
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