<u>C. Social class and culture</u> are the strongest influence on the variations in Americans life.
<h2>Explanation:</h2>
Social class is a hierarchical structure that divides into three classes namely the upper class, the middle and the lower class. Even though these models are observed, there are many more influencing factors that affect the categories and also influence the person's social position in society.
The examples include education, participation in politics, health and etc. Culture influence has been seen to have effects on the three categories mentioned above. For example, more Hispanic and Black families are poor as compared to white families and Black families headed by a single mother are likely to be poverty stricken.
