By creating the United Nations and also making a boarder between them.
In the U.S, the Office of Management and Budget "c. oversees the preparation of the federal budget," although this is done in coordination with the president.
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.
Answer:
i would have to say C. hope this helps :)
Explanation: