<span>c. proves our expertise </span>
Answer: Benjamin Whorf
Explanation:
Benjamin Whorf
's theory states about linguistic relativity principle in psychological field .He depicted that thoughts and ideas in mind are impacted through language structure.According to structure of the language ,a person is able to form the concept about world.
According to the question, children acquire idea about everything around the surroundings through language structure and reinforcement according to psychology processor.This conversation is related and agreeable with Benjamin Whorf's theory.
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<span>Some of these trade routes had been in use for centuries, but by the beginning of the first century A.D., merchants, diplomats, and travelers could (in theory) cross the ancient world from Britain and Spain in the west to China and Japan in the east</span>