How do US citizens show allegiance to the country?

US citizens show allegiance to the country primarily through the Pledge of Allegiance, which is recited in schools and public gatherings. They also demonstrate their loyalty by voting in elections, participating in civic activities, and serving in the military. Additionally, citizens may display their allegiance through patriotic symbols, such as the national flag, and by observing national holidays like Independence Day. Engaging in community service and supporting the nation's values and principles further exemplifies their commitment to the country.