Upon learning that Hitler had taken action within Germany, Arthur had already been certain that Hitler's move would inevitably succeed.
Although the federal states of Germany possessed a certain level of power, this did not mean that they were united.
Because of Germany's defeat in World War I, Germany almost turned towards a republic. In such circumstances, the monarchs of the federal states were more or less restrained by the government, with some even completely sidelined by their state governments.
With their thrones at risk, the monarchs of the federal states were completely without the power to compete with Hitler.
In other words, as long as Hitler promised to secure the monarchs' thrones, he could win the support of the monarchs of the federal states.
With the support of the monarchs of the federal states, they could no longer pose any threat to the Imperial Government.
