Catholic is actually a word that means universal and was used when the church was first established as the "universal" church. ANSWER: St. Ignatious of Antioch Letter to the Smyrnaeans (Smyrna), in...
yes, you have to be baptized in a catholic church in order to be catholic
No, you must be baptized or received into the Church by a priest, if you have received Baptism previously in a protestant...
Yes, if the other party is Catholic and you agree to the requirements of the church regarding the permanent commitment and raising children as Catholic.