What china invention was used in the military?

Answer;The Chinese first used gunpowder to make explosives used by the military in the Five Dynasties and Ten Kingdoms period (五代十國, Wǔdài Shíguó). The Chinese invented cannons made of cast iron, cast iron landmines, and rockets, and gunpowder was used to make bamboo fireworks in the Song Dynasty .

Explanation:

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others