N the South, planters shifted operations (and slaves) from the poor soils of the Southeast to the rich cotton lands of the Southwest. Issues of slavery in the new territories acquired in the War with Mexico (which ended in 1848) were temporarily resolved by the Compromise of 1850. One provision, the Fugitive<span> Slave Law, ...</span>
The wealth, prestige, policies, and power of Athens caused resentment among other city-states. A plague that killed many Athenians helped Sparta defeat Athens.