The document discusses the importance of local history in understanding national history. It makes three key points:
1) Local history provides the foundation and substance for true national history, as national histories originated from contributions of local histories.
2) Local history enriches our understanding of national history by documenting the broad processes and events important to local communities. It also encourages autonomy and local initiatives.
3) By representing various localities, ethnic groups, and sectors, local and oral histories are fundamental to representing national diversity and uniting the nation. National history seeks to bring together these diverse voices.