The assumption that our way of thinking and acting is naturally superior to others resulting in the use of ourselves or our culture as a yardstick by which we measure what is right or desirable or normal
a. ethnocentrism
b. stereotype
c. prejudice
d. discriminationv

Option (A) is correct.

Explanation:

Ethnocentrism is the known as or referred as the act of judging someone's culture in regards to the preconceptions or pre-conceived notion which are found mostly in the standards and values of an individual's own culture, specially in regards to their behavior, language, religion and custom. These categories or aspects are recognized as distinctions that tend to define cultural identity of each ethnicity.

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.

quote is the answer your looking for.