Making Stuff Up For 2,000 Years

Anyone who has studied religions knows that one of the most dogmatic religions is the Catholic Church, with its volumes of promulgations concerning do's and don't's, as well as claims on reality.  Following are several examples from YouTube videos produced by a major Catholic apologetic source called "Catholic Answers." As you view this representative collection, please keep one question in mind, "How do they know that is true, where is the evidence?"

Souls of aborted/unbaptised babies

Is there an afterlife for animals?

How can Mary and the Saints in heaven hear our prayers?

Is Purgatory in the Bible?

Would God Really Send Someone to Hell?

Did the Council of Trent teach that Protestants are going to hell?

What if I Die Before Confessing a Mortal Sin?