China tributary system diplomacy trade East Asia

China’s tribute system shaped East Asian ties

From the 3rd through the 18th centuries, rulers across much of East Asia sent tribute to China’s emperor. The emperor offered benefits such as recognition or agreements not to attack, and gave those rulers legitimacy. The system shaped much of the region’s diplomacy and trade.

Rome redirected a Jewish tax to its own temple

After the revolt, Rome required Jews across the Empire, even those who had not taken part, to pay an annual tax of two drachmas in place of the Temple donation. Rome used the money to rebuild and maintain its temple to Jupiter Capitolinus.

Ingenuity spun its blades fast on Mars

Nearly 3,000 Rpm

NASA’s 1.8-kilogram Ingenuity helicopter flew in an atmosphere 100 times thinner than Earth’s. Its blades spun at about 10 times the speed of a helicopter on Earth.

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China tributary system diplomacy trade East Asia

China’s tribute system shaped East Asian ties

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