Final answer:
A group of senators or representatives who join together because they share similar opinions, interests, or personal characteristics is called a caucus.
Step-by-step explanation:
A group of senators or representatives who join together because they share similar opinions, interests, or personal characteristics is called a caucus.
Caucuses are informal groups within Congress that are formed to advance the interests of a specific group of lawmakers. They can be based on various factors, such as political ideology, party affiliation, or demographic characteristics.
For example, the Congressional Black Caucus is a caucus made up of African American members of Congress who work together to address issues affecting their community. Another example is the Freedom Caucus, a caucus consisting of conservative members of Congress who advocate for limited government intervention.