Which is an example of diplomacy? a. the u. s. declares war on japan after the attack at pearl harbor. b. the u. s. wants to keep an open trading relationship with europe. c. the u. s. invades iraq to get rid of its leader, saddam hussein. d. the u. s. sends people to discuss environmental issues with china.

 D.

Explanation: The U.S. sends people to discuss environmental issues with China.

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

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