The answer will be Ahimsa
The following sources claiming or supporting Yu Hsien above is letter D. Yu Hsien hated non-Chinese religions like Christianity. Taiyuan massacre during Boxer Rebellion, which killed 45 Christians with children. It was at this time tha Yu Hsien was the governor of Shanxi.
While you didn't provide us with any concrete answers, this relationship is something related to an alliance, but in reality isn't one because the smaller country is only doing this because they're afraid of repercusions.
Answer:
D.A single individual or small group exercise control over government
