In May of 1856, an antislavery group killed settlers at "<span>Harpers Ferry, Virginia," since the goal was to start a wider movement that would wipe out more slave owners. </span>
The invention and creation of the telegraph made a faster and cheaper method to send information across the nation, The Pony Express ended because of an advance in technology.
Composers also felt they had a moral obligation to provide fine music for the common people. This idea, and the general concept that the Enlightenment could challenge tradition, opened up composers to a much greater range of artistic freedom.
Answer: Invasion by the Assyrians and Libyans and An economic crisis brought on by famine