Question

In the 19th century what trait or characteristic did scientists use to categorize people into races?

Answer 1

The trait or characteristic that scientist used to categorize people into races In the 19th century is the skin color.

In the early half of the nineteenth century, theories about the origins of human lineage depended on Linnean models. These groupings defined types of men by outward physical characteristics, and the special emphasis was placed on skin pigmentation.  

Answer 2

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