Michelle is a poor african american woman. her race, class, and gender may combine to produce a unique kind of inequality. the concept that describes this phenomenon is known as:

This phenomenon is known as Matrix of domination
Matrix of domination refers to the social stratification that based on class, race, and gender which interconnected with each other.
According to this matrix, Michelle would be placed on the lowest end of stratification which is most likely to become a huge hindrance for her in achieving success.