Who was the ruler that ruled China from almost 1861 to 1908

Cixi

Cixi was a powerful and charismatic figure who became the de facto ruler of the Manchu Qing Dynasty and ruled over China for 47 years from 1861 to her death in 1908.

Explanation:

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the tallest building in the western hemisphere and the sixth tallest building in the world

the united states began searching for a way to reduce oil

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