The concept of "race" that most people are familiar with today emerged Select one: a. from the earliest human cultures. b. in the 1400s, with European colonial expansion. c. within the field of genetics. d. in 1865, with the end of the U. S. Civil War.

b. in the 1400s, with European colonial expansion.

Explanation:

The concept of "race" that most people are familiar with today emerged in the 1400s, with European colonial expansion and the word race was introduced into english in 1580. as the Europeans expanded their colonies, they encountered different type of people with different skin colors. When they came to Africa, they encountered the blacks, in Australia, the encountered th aborigines of Australia and they met the Native Indians.

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