Which of the following is a key aspect of the Fair Housing Act?

The Fair Housing Act is a crucial piece of legislation that aims to eliminate discrimination in housing. It specifically prohibits discrimination based on several protected characteristics, including race, color, religion, sex, national origin, familial status, and disability. By stating that discrimination based on sex, race, or nationality is prohibited, the act promotes equal opportunities in housing for all individuals, regardless of these characteristics. This fundamental principle seeks to ensure that all individuals have the same access to housing opportunities.

The other options do not accurately reflect the key aspects of the Fair Housing Act. For instance, the act does not address issues such as fees for property listings, restrict property sales to only first-time buyers, or provide tax benefits to disabled citizens. These concepts are outside the scope of what the Fair Housing Act aims to accomplish and do not contribute to its primary goal of preventing housing discrimination.