In addition Aoki dealt with Hokushin (North China) Incident as the Minister for Foreign Affairs of the Second Yamagata Cabinet, and tried to intervene aggressively in the incident, detecting the movement of the powerful countries.
また第2次山縣内閣外務大臣として北清事変に対処、列強の動きを敏感に察知し積極的な介入を試みた。