Lee's Invasion of the North. In May 1863, Robert E. Lee's Confederate Army of Northern Virginia had scored a smashing victory over the Army of the Potomac of Chancellorville.
<span>This diversity caused what has become to be known as "cultural imperialism". In other words, the culture of the colonizer was reflected in both the colony and the indigenous people that they came into contact with. This led to the expansion of the ideas of individual countries as well as colonies as diverse as Europe.</span>
Both country build up new technology to compete against each other in the race to space thus creating longer range missle.
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The Mongol invasions and conquests took place during the 13th and 14th centuries, creating the vast Mongol Empire which by 1300 covered large parts of Eurasia. Historians regard the Mongol devastation as one of the deadliest episodes in history.