Ifeanyi's company transfers him to the united states, where he finds that he is expected to be much more casual than he is used to in terms of what he wears and how he speaks to people.
in the context of social norms, the customs and practices related to correct dress and social manners are known as

A) folkways.

Explanation:

William Graham Sumner was an American sociologist who coined the term folkways, in his book "Folkways: A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals (1906)". Folkways are the norms of casual interaction emerged from routine or repetition. folkways are shared habits of a group of people, which do not have moral significance and severe consequences.

As per the question, Ifeanyi's exposure to the new social norms is an example of folkways.

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