The Great Wall of China may be the best-known, but it is far from the only system of walls constructed across northern East Asia. The diverse groups on this frontier built many physical barriers to ...

This piece is part of a series of articles covering the medieval and early modern great powers of each of Asia’s regions: East Asia, Central and North Asia, South Asia, Southeast Asia, and West Asia ...

Geography, demographics, religion, technology, and a state’s institutions determined why certain states exercised power and how different regions developed the way that they did. This piece is the ...