Final answer:
The expectation of men to be strong, independent providers in American culture is known as a cultural stereotype.
Step-by-step explanation:
The expectation of men to be strong, independent providers in American culture is known as a cultural stereotype. Cultural stereotypes are widely held beliefs about certain social groups or categories, and they can shape our perception and expectations of individuals within those groups. In this case, the cultural stereotype of men as strong, independent providers has been deeply ingrained in American society, but it is important to recognize that gender roles and expectations can vary across cultures and time periods.