The term recognized is defined as establishing political relations with another nation,
putting one nation in charge of another.
moving from one nation to another,
protesting one nation's control over another.

They impact each other because they are commonly connected when describing society. Commonly, the idea of the same race and the same ethnicity implies that the people belong to the same nationality, however, in recent times ethnicity and races started mixing more and more as we have the culture of globalism and multi-culturalism.

Explanation:

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.

the term is einsatzgruppen