<span>A system: is a set of connected things or parts forming a complex whole, in particular.
Yes Earth would be a system</span>
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Christopher Columbus
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Juan Ponce de León was the first governor of Puerto Rico.
Answer: The Second Industrial Revolution transformed society in significant ways. Among the social effects that caused this revolution can include: Urbanization increased rapidly. The population moved into hastily built housing in cities to be nearer to the factories
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The Ptolemaic model of the universe was heliocentric. the Copernican system included uniform circular motion. his years of careful observations of the planets.
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Hope I could help!Stay safe and drink water<3
Answer:
The foreign policy of the Ronald Reagan administration was the foreign policy of the United States from 1981 to 1989. The main goal was winning the Cold War and the rollback of Communism—which was achieved in the Revolutions of 1989 in Eastern Europe during 1989 and in the Dissolution of the Soviet Union in 1991. Historians debate whom to credit, and how much. They agree that victory in the Cold War made the U.S. the world's only superpower, one with good relations with former Communist regimes in Russia and Eastern Europe
