They all have a similar cultural background.
They are apart of the same ethnic group.
The answer is ethnic group that's funny this is on my homework
A group of people who share the same ancestors, culture, language, or religion is commonly referred to as an ethnic group.
culture
A group of people belonging to the same culture can be referred to as an ethnic group. They typically share common customs, traditions, language, and values that distinguish them from other groups. Cultures can vary widely within an ethnic group, showcasing diversity in beliefs and practices.
an ethnic group comes together when many people of the same religion join together to form an ethnic group.
An ethnic group is a community or population that shares a common cultural background, heritage, language, or ancestry. Members of an ethnic group often identify with one another based on these shared characteristics and may have a distinct sense of belonging or identity.
An ethnic group is a social category of people who share a common cultural background, ancestry, language, or other characteristics that distinguish them from other groups. Members of an ethnic group often share a sense of identity and belonging based on these commonalities.
an ethnic group, or culture
Ethnic means relating to or characteristic of a sizable group of people sharing a common and distinctive racial, national, religious, linguistic or cultural heritage.
Ethnic solidarity is when a particular group of people who share a common ethnicity or culture bond together to achieve a common goal. Or it is the recognition of a sameness within a group about a shared belief or concern. For instance African Americans may all recognize that they are the descendant's of Slaves and that is their common bond.
japan because if you see the flag its the same