question: The rise of what saw the independence of Greece , Serbia , the Danubian Principalities and Bulgaria ?
answer: the rise of Balkan nationalism
turker_answer: The rise of the rise of Balkan nationalism saw the independence of Greece , Serbia , the Danubian Principalities and Bulgaria .
rule-based: The rise of the rise of Balkan nationalism saw the independence of Greece , Serbia , the Danubian Principalities and Bulgaria .