<span>In the Han Dynasty, a cluster of calamities, prodigies, and heavenly omens meant that the emperor had lost the mandate of Heaven. The success or failure of the people was thought to be controlled by the gods, along with who should rule. If an emperor was no longer deemed acceptable, natural disasters or disastrous occurrences were taken, then, that the emperor no longer held the gods' approval. This was reason enough to overthrow or replace him.</span>
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South America and North America began to exchange goods and both of their economies prospered, and the Monroe doctrine dictated that European powers were forbidden from interfering or colonizing South America
An intellectual movement of the renaissance based on the study of humanities
The traffic increased as a result of the Louisiana Purchase
The Spanish-American War was notable not only because the United States ... Spain had dominated Central and South America since the late fifteenth century. ... of additional naval bases in the Pacific Ocean, reaching as far as mainland Asia. ... best known part of the battles, but in fact, several African American regiments