Final answer:
Redlining is the illegal practice of denying services or products based on race, contributing to racial and socioeconomic inequalities.
Step-by-step explanation:
The illegal and discriminatory practice when a professional denies a service such as insurance, loans, mortgage or health providers to a person of color from another district is known as redlining. Redlining is the intentional and discriminatory withholding of services or products based on race or other factors. It was practiced extensively by banks and lenders who refused to issue mortgages or loans to racial or ethnic minorities living in certain neighborhoods. These practices are viewed as illegal and discriminatory as they perpetuate racial and socioeconomic inequalities.