Final answer:
A congressional caucus is a group of senators or representatives who share certain opinions, interests, or social characteristics. It is an informal meeting where legislators in Congress come together to discuss and work on issues related to their common interests or goals.
Step-by-step explanation:
A congressional caucus is a group of senators or representatives who share certain opinions, interests, or social characteristics. It is an informal meeting where legislators in Congress come together to discuss and work on issues related to their common interests or goals. Caucuses can be formed based on various factors such as political ideologies, geographical regions, ethnicities, or specific policy areas.