The Pharisees rose up and said, “It is necessary to circumcise them and to order them to keep the law of Moses.”
The apostles and the elders were gathered together to consider this matter.
"We believe that we will be saved through the grace of the Lord Jesus, just as they will.”
"Therefore my judgment is that we should not trouble those of the Gentiles who turn to God, but should write to them to abstain from the things polluted by idols, and from sexual immorality, and from what has been strangled, and from blood."
Those are the only rules that Christians must follow, Christians are not required to follow any of the Old Testament.
In fact, Christians are explicitly forbidden from circumcising, which is mandatory in Judaism:
Then explain why Christianity would not exist without Judaism, including the Torah imbedded in the bible.
Christians are not obligated to follow the Torah, or the Old Testament. It is useful as a historical reference, but it's not morally binding:
https://www.biblegateway.com/passage/?search=Acts+15&version=ESV
Those are the only rules that Christians must follow, Christians are not required to follow any of the Old Testament.
In fact, Christians are explicitly forbidden from circumcising, which is mandatory in Judaism:
https://www.biblegateway.com/passage/?search=Galations+5%3A1-4&version=ESV
https://www.biblegateway.com/passage/?search=1+Corinthians+7%3A18&version=ESV
https://www.biblegateway.com/passage/?search=Galations+6%3A12-15&version=ESV
https://www.biblegateway.com/passage/?search=Acts+15%3A24&version=KJV
https://www.biblegateway.com/passage/?search=Titus+1%3A10-16&version=ESV
https://www.biblegateway.com/passage/?search=Philippians+3%3A2-3&version=ESV
And?