Yunnan

Yunnan Clique

Advantages:

Far from the Japanese advance

Reasonable sized starting army

Relatively good defensive terrain

Access to blueprints assuming you ally with the other Chinese factions

Disadvantages:

Very poor IC, especially compared to Shanxi and Guangxi Clique

Poor leaders

Poor ministers with no alternatives

Very poor tech teams

No access to water

No airforce

Limited manpower

Poor resources

No cores on any other Chinese territory