Question: Ruan Zhenduo served in many cabinet-level positions in what puppet state in Northeast China and Inner Mongolia, which was governed under a form of constitutional monarchy?
Sentence (from "Ruan Zhenduo"): Ruan Zhenduo (; Hepburn: "Gen Shintaku"; 1893 –1973), was a politician in the early Republic of China who subsequently served in a number of Cabinet-level positions in the Empire of Manchukuo.
Relevant evidence: Yes