I’m not sure when you say U.S. but the Republicans supported the idea of state rights. (If you could clarify you question I could help more).
Peter the Great recognized the weaknesses of the Russian state and aspired to reform it following Western European models. ... While the tsar did not abandon Orthodoxy as the main ideological core of the state, he started a process of westernization of the clergy and secular control of the church.
I can help you if you can translate to English uk