The articles of confederation was a weak document that could not call armies, make a law that stuck with the states, create a currency or declare war without states approval...in short it was like a friendship agreement that barely anyone liked and needed to be changed...
Well, when you think about this, everyone would yell, "NO TAXATION WITHOUT REPRESENTATION!!" Also, I am taking APUSH this year, so I would have to say that their greatest complaint would be the fact that the colonies had no representation in Britain's legislature; even though, the colonies were complaining about all of these. Don't quote me on this, but I hope this helps you!!
Catholicism, I think. Don’t quote me on this because I don’t really understand your question.