Can you help help with my non-denominational friend's ideas?

My non-denominational friend went to a predominately Baptist college and thinks he knows about the catholic church. how do I prove that the CC was started by Jesus? how do I prove we do not worship The Virgin Mary/ Saints? how do I prove we do not buy indulgences anymore? basically he thinks the catholic church is still the way it was when the reformation began. I’ve used all of the resources I have at arms reach. How do I prove to him we are the one true church? Please help?!

These links should give you the answers that you need. If you have any further questions or concerns that are not answered by this, please contact Catholic Answers directly.
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*]Assurance of Salvation?
*]Why Catholicism Is Preferable to Protestantism
*]Assurance of Salvation in a Pinch
*]Pillar of Fire, Pillar of Truth
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*] The Intercession of the Saints
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*]Myths about Indulgences
*]Primer on Indulgences
*]The Nightmare World of Jack T. Chick

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