Ethnicity and race characterizes the social stratification in the United States in the late 19th century.
Explanation:
Social stratification means ranking the categories of people in a hierarchy. Some groups of people in the U.S have high status, power and wealth than other groups. The difference in status of the U.S people made a way to social stratification. Social stratification is characterized based on ethnicity and race.
Physical characteristics like hair and eye color of a person define the race. Ethnicity of the person is determined based on the cultural factors like language and nationality.