What brought about the open door policy in china?

1899, the United States declared the Open Door Policy. The Americans worried that other nations would soon divide China into formal colonies and shut out the American traders. They proposed that China's doors be open to merchants of all nations.

the first forms of writing came from them in the form of pictographs around 3100 bc.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

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