 As testament to the Kwantung Army's control over the government of Manchukuo was the fact that the Commander-in-Chief of the Kwantung Army also doubled as the Japanese Ambassador of Manchukuo.After the campaign to secure Manchukuo, the Kwantung Army continued to fight in numerous border skirmishes with China as part of its efforts to create a Japanese-dominated buffer zone in Northern China.The Kwantung Army also fought in Operation Nekka during the preceding phase of the Second Sino-Japanese War, and various actions in Inner Mongolia to extend Japanese domination over portions of northern China and Inner Mongolia.