Lenders tended to avoid lending in high-risk communities and neighborhoods in a practice known as:

Answer: Redlining

Explanation:

According to the Community Reinvestment Act (CRA), redlining is defined as the process in which particular area's or sector's people are not provided the services and facilities due to unethical reasons. They are kept deprived on basis of factors like ethics, race, or other social aspect.

Facilities like basic financial service of loan, insurance, credit cards etc are not given to people by lenders which is considered as illegal practice in accordance with the rules.