Answer: a. loss of traditions and customs
Explanation:
Social stratification<span> is a society's categorization of people into </span>socioeconomic<span>strata, based upon their occupation and </span>income<span>, wealth and social </span>status<span>, or derived power (social and political). ... Moreover, a social stratum can be formed upon the bases of kinship or caste, or both.</span>
<span>Because so many Africans served in Allied armies and learned new liberal ideas.</span>