Who created gunpowder​

Choe Museon

Explanation:

Invented in the 9th century china as one of the four great inventions.

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

b

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