 The practical exigencies had become so dire that the shogunate might have crumbled without the support of the three philosophical ideologies, but once the revolution was complete the ideologies formed the political theory behind the new imperial state. Following models developed by Germany and Italy, for example, the new Japanese state honed its own identity as a nation state by basing itself in ancient myths of racial uniformity, warrior heroism, ethnic purity, and a claim to a primordial linguistic homogeneity.