Reasoning:
National festivals are celebrated throughout the entire country to commemorate important events, historical figures, or cultural practices. It is a time for people to come together and honor their shared heritage and values.

Explanation:

Countrywide Celebration:
- National festivals are celebrated in every corner of the country, from the bustling cities to the remote villages.
- It is a unifying event that brings people from different backgrounds and regions together to celebrate their collective identity.

Sense of Belonging:
- Celebrating these festivals at a national level fosters a sense of unity and belonging among the citizens.
- It strengthens the bond between individuals and their country, promoting patriotism and national pride.

Cultural Significance:
- National festivals often have deep cultural and historical significance, reflecting the traditions and values of the country.
- By celebrating these festivals countrywide, people pay homage to their shared history and heritage.

Community Spirit:
- The celebration of national festivals promotes a sense of community spirit and togetherness among the population.
- It encourages people to come together, participate in festivities, and strengthen social ties.

Conclusion:
In conclusion, national festivals are celebrated all over the country to bring people together, promote cultural values, and foster a sense of national identity and pride. It is a time for communities to unite, celebrate their heritage, and reaffirm their commitment to their country.