What is similar about inner and outer china?

Inner and Outer China are terms that were previously used to differentiate between parts of China that had been under direct control of the central Chinese government and those that were not.

Similarities between Inner China and Outer China:

1. Shared Cultural Identity: Both Inner and Outer China share the same cultural heritage, including language, ethnicities, religious traditions, and historical narratives.

2. Historical Connection: Outer China was historically a part of the Chinese empire, and its people had historical, political, and economic connections with Inner China.

3. Ethnic Diversity: Both Inner and Outer China are populated by diverse ethnic groups, with Han Chinese being the majority in both areas.

4. Administrative Division: Although the terms "Inner China" and "Outer China" are no longer commonly used, the geographical areas they represented are now considered as different administrative divisions or regions within China.