Habsburg emperor. He gave in and promised reforms and a liberal constitutions. Abolished serfdom. Artisan workers and urban poor rose up in arms demanding social workshops and male voting rights, this angered the middle classes, the revolutionary leaders pushed an extremely liberal almost democratic constitution through. But they wanted more, they wanted to unite all the peoples of Hungary, however the croats, serbs and romanians made up half the population and didn't want to be united. In the midst of these conflicts the conservative aristocratic forces supported the emperor to regain power.