Americans usually recognize hard work, education, and efficiency as desired qualities. where one of these qualities is found, the other two also apply. this is an example of

select one:
a. emergent values
b. a value cluster
c. cultural leveling
d. a normative cluster

b. a value cluster

Explanation:

value cluster refers to all those values which when combined they will yield a larger complete valuable thing. When you put together values such as hard work,education , individualism and material comfort a bigger complete value that is yielded by all these values clustered is called success.