In 1848, Europe was in tumult. After two years of severe crop failures, French revolutionaries overthrew the monarchy, touching off a series of revolutions across the continent. However, the revolts ended in failure and repression, prompting waves of disappointed supporters—some of whom were now deemed enemies of the state—to immigrate to the US, Canada, and England. As these “Forty-Eighters” maintained their liberal ideals upon relocating, many went on to participate in what major US conflict? Discuss