But also this, I’d Catheine of Argon had been Abel to have a child, then the UK would have been Catholic, and the Colonies as well.
I would suggest reading “the stripping of the Altars” - it is fascinating how strong was the Catholic faith in England even under Henry 8. Only after decades of persecution did it die out.
Though if Kate had had a son, then England would have remained Catholic for some more time.
There is no way to predict if there would even be a United Kingdom