Answer:
Ethnic differences.
Step-by-step explanation:
Ethnicity describes the culture followed by the people native to a particular geographical area or region.
Ethnicity for a region includes following cultural factors like
Language
Heritage
Religion
Customs etc.
The ethnic values makes a region different from other regions.
An individual is said to be a member of an ethnic group when he conforms to some or all of the practices of the ethnicity of the region.