Final answer:
The subject of this question is Redlining.
Step-by-step explanation:
The subject of this question is Redlining.
Redlining is a discriminatory practice where banks or mortgage lenders deny or limit financial services to certain geographic areas, typically based on racial or ethnic composition. It is a form of systematic racism that historically targeted specific neighborhoods or communities, resulting in a limited access to credit, loans, and other financial resources.
In the given context, Rachel Kingsford's income and profession are possibly used by lenders to assess her eligibility for loans or financial services, which can be seen as a form of redlining based on socioeconomic factors.