Final answer:
Europeans labeled the Americas 'New World' thinking it was a different continent from Asia, influenced by Vespucci's and Columbus' expeditions, and territorial divisions between Spain and Portugal.
Explanation:
Europeans referred to the Americas as the 'New World' after their arrival due to the belief that they had discovered a previously unknown continent separate from Asia. The term was popularized by Amerigo Vespucci's accounts and Christopher Columbus' voyages, which revealed lands with new civilizations and resources. The division of territories between Spain and Portugal, leading to the Treaty of Tordesillas, also played a role in shaping this New World perception.
Learn more about European exploration of the Americas here:
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