Final answer:
Redlining is a discriminatory practice in the housing market that involves denying loans or services based on race or ethnicity. It was outlawed by the Fair Housing Act, but its effects persist today.
Step-by-step explanation:
Redlining is a discriminatory practice that was prevalent in the past, particularly in the housing market. It involved banks and lenders denying loans or other services to individuals based on their race, ethnicity, or other non-economic factors. This practice was outlawed by the Fair Housing Act in 1968, but its effects continue to be felt today, with significant disparities in educational and financial opportunities in certain neighborhoods.