Answer: b) Low-context culture
Explanation:
Low-context culture is the culture that consist of precise method for conversation, short duration of relation, direct communication , persist individual quality and open to changes.
Thus, United states of America has the low context culture as people persist respected individuality, quick and direct conversation, explicit ways.
Other option are incorrect because high context culture has long lasting relationships,explanation oriented and value traditions more.Variable context culture has nature of varying and changing qualities.Moderate context culture persist in-between qualities of low and high context culture.
Thus, the correct option is option (b)