这位历史学家因其对战争根源的深刻分析而被公认为杰出的历史编纂学家。

The ___historiographer was recognized as outstanding for his profound analysis of the root causes of wars.

政府任命了一位史官来记录并解读国家的重要历史事件。

The government appointed a ___historiographer to document and interpret significant historical events of the nation.