Analysis of information sources in references of the Wikipedia article "Nationalist government" in Simple English language version.
Under Chiang's aegis, the Nationalist government in Nanking transformed into a military dictatorship"; "The military continued to hold ultimate power... The regime was a dictatorship built on and maintained by military power.
It would be a mistake, however, to devote exclusive attention to the structure of the Nationalist government or to the formal relationship between, say, the Executive Yuan and the Legislative Yuan. For, regardless of the formal positions that Chiang Kai-shek held in the party, government or army, he wielded ultimate authority over the regime as a whole.