What is Catholic Integralism? ( an apparent interest of J. D. Vance)

Catholic Integralists share an opposition to liberalism. Generally, liberalism is understood as a political philosophy that supports limits on the government's authority and constitutional protections for the rights of individuals and minorities. But Catholic Integralists argue that liberalism is incapable of establishing deep forms of human community because it values individualism and liberty above all things. 

The irony, from the Catholic Integralist perspective, is that liberalism is not really that liberal. Instead, liberalism demands – and enforces – adherence to a certain set of values, like tolerance and pluralism, that prevents creating a social order in which human beings can realize a larger, God-given meaning for their lives...

https://theconversation.com/what-is-catholic-integralism-234894