In 1867, rising nationalism led franz josef, the austrian emperor, to a. divide up the austrian empire into many small, independent countries remake the austrian empire as the austro-hungarian empire,/ b. a union of two nationalities guarantee equal treatment to everyone in the empire, / c. regardless of nationality set up a war with russia in order to unite all nations in his empire--czechs, / d. austrians, slovaks, croats, and hungarians--against a common enemy