Manne lives, shops, and socializes with many other immigrants from the same part of the world who live nearby. this information suggests that an important social group for him is

a. the nation he grew up
b. his religion
c. his family
d. his school

a) the nation he grew up

Explanation:

According to the situation in question,Manne is displaying about his nation as the base for social group. He interacts, socializes and shops with immigrants, this shows that he can relate with them socially which is feature he got from nation as where he grew up.

Other options are incorrect because religion , family or school are not responsible for developing socialization between people and Manne.

Thus, the correct option is option(a).

the lake is the bhopal lake

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"