Based on the excerpt given, it can be noted that her belief was influenced as they make her feel strongly about the importance of voting.
A belief simply means the perception of someone regarding a particular thing.
It should be noted that from the excerpt, it was stated that the day Grammy rose from her chair and raised her voice got her attention.
This implies that her belief was influenced as it makes her feel strongly about the importance of voting.
Learn more about beliefs on:
https://brainly.com/question/25280941