Answer:
Seu início foi marcado pela queda do Império Romano do Ocidente, em 476, e o fim, pela tomada de Constantinopla pelos turcos em 1453. Os humanistas do século XV e XVI chamavam a Idade Média de Idade das Trevas.
Explanation:
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I think the answer to your question is united States
Imperialism is when a nation expands it's power through either war or diplomacy.
The benefits of imperialism is the power gained as well as the benefits that come with it. Some of the benefits include: the ability to more easily control trade, the ability to sometimes force a certain ideaology/religion, as well as strengthening political and military power.
The difference between endothermic and exothermic reactions lies in the words themselves. "Thermic" refers to heat, just as in the word "thermometer." "Exo" means "outside" and "endo" means "inside." Thus, an endothermic reaction pulls heat into an object or area, while an exothermic reaction expels heat.