Answer:
A political revolution, in the Trotskyist theory, is an upheaval in which the government is replaced, or the form of government altered, but in which property relations are predominantly left intact. The revolutions in France in 1830 and 1848 are often cited as political revolutions.
Explanation:
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They took extra precautions, they took two men, and they took things to help them in the trip which they thought they weren’t gonna come back from
Answer:
The publication of Copernicus' model in his book De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), just before his death in 1543, was a major event in the history of science, triggering the Copernican Revolution and making a pioneering contribution to the Scientific Revolution.
De solo because they did not settle there problem