This is a good take at Catholic Stand on how Catholics should avoid being too involved in particular political parties or ideologies.
"A recurring theme
of my writing and speaking these past few years has been the need for
Catholics to overcome allegiances to political movements, parties, and
ideologies. We are called to shape our culture, or at least be a
prophetic voice that is unattached to purely temporal causes. My
assumption, based on my own journey, has been that there are many people
who are serious Catholics with a real relationship with Jesus Christ
but who simply have difficulty detaching themselves from the constant
pressure of our polarized and politicized media culture.
I now believe that assumption is often wrong, and people like me are partly to blame. I have been reading Sherry Weddell’s Forming Intentional Disciples (truly,
as Mark Shea says, the most important Catholic book of the decade) and
contemplating with fresh eyes the hundreds of confrontations I’ve had
online and in person with my fellow Catholics involving political
disagreements. The problem is not too much politics. It is too little
conversion and discipleship."