National unity refers to the sense of togetherness and solidarity among the citizens of a country. It emphasizes shared values, goals, and a common identity, which can help strengthen a nation. When people feel united, they are more likely to work together for the common good, fostering peace and stability. Factors that contribute to national unity include cultural diversity, historical experiences, and political systems. Celebrations of national holidays, such as Independence Day, can also promote unity by reminding citizens of their shared heritage and aspirations. Ultimately, national unity is essential for a country's progress and development.