Body: Scholars who research "Catholic Church" look at the Roman Catholicism theology.
understand the development of this theology, and it's impact today is some of the cause to investigate "Catholic Church".
Some subfields in "Catholic Church" include transubstantiation, the seven sacraments, and the Holy Trinity.
A few scholars of "Catholic Church" include Diarmaid MacCulloch, Eusebius, and Caesar Baronius.