China has outstanding naval capacity in the early 1400s (see the discussion of the Ming voyages in the unit Ming Voyages: 1405-1433).
The Chinese political and social order is at its height in this "late imperial" period of the last two dynasties: the examination system has, from the Tang dynasty onward, created a strong centralized and fully functional civil service in place of an aristocratic elite with a territorial base of power. Scholar-gentry, residing at home as they study for the next level of examination or await official appointment, support the work of the appointed district magistrate (who, by regulation, cannot be from the district) and form one elite class of Confucian literati that governs China.
It had drafted men ages 18 to 45 years old. This resulted in a total of 2 million
Americans volunteering for the War. It
increased the size of the U.S. army.
This was due to the patriot fervor that griped the nation to fight
during the First World War.