In addition to state and local laws, there are also federal laws that protect the right to free speech. The First Amendment to the United States Constitution guarantees the right to freedom of expression, which includes the right to express one's political views. This means that people have the right to sit during the national anthem as a form of protest, as long as they do so peacefully and without disrupting others.
However, it is important to note that there may be consequences for sitting during the national anthem. For example, people who sit during the national anthem may be booed or heckled, or they may be subject to other forms of social disapproval. Additionally, people who sit during the national anthem may face disciplinary action from their employers or schools.
Ultimately, the decision of whether or not to stand during the national anthem is a personal one. There is no right or wrong answer, and people should do what they feel is best.