question: Who stated that `` Great power may be defined as a political force exerting an effect co-extensive with the widest range of the society in which it operates . The Great powers of 1914 were ` world-powers '' ?
answer: Arnold J. Toynbee
turker_answer: Arnold J. Toynbee stated that `` Great power may be defined as a political force exerting an effect co-extensive with the widest range of the society in which it operates . The Great powers of 1914 were ` world-powers '' .
rule-based: Arnold J. Toynbee stated that `` Great power may be defined as a political force exerting an effect co-extensive with the widest range of the society in which it operates . The Great powers of 1914 were ` world-powers '' .