one goal of the congress of vienna was to restore power to; according to the map, the largest empire in 1812 was the empire.; napoleon iii became emperor in .; what was the outcome of most european revolts of the 1830s?; what did prince metternich mean by this statement?; what were the main goals of the congress of vienna check all that apply; according to the author, what were the demands of the people in the crowd? check all that apply.; the age of revolutions lasted from 1791 to 1850. what was one long-term effect of it?