How we cite our quotes: (Clause.Sentence)
Quote #1
No "scutage" or "aid" may be levied in our kingdom without its general consent, unless it is for the ransom of our person, to make our eldest son a knight, and (once) to marry our eldest daughter. For these purposes only a reasonable "aid" may be levied. (12.1-2)
They gave the king three examples of reasonable taxes, what unreasonable taxes do you think he was collecting?
Quote #2
The city of London shall enjoy all its ancient liberties and free customs, both by land and by water. We also will and grant that all other cities, boroughs, towns, and ports shall enjoy all their liberties and free customs. (13.1-2)
It seems like this might cause some problems between city leaders and the king, perhaps it's too vague? For clarification they'll need to refer to other ancient texts that are just about London.
Quote #3
Every county, hundred, wapentake, and tithing shall remain at its ancient rent, without increase, except the royal demesne manors. (25.1)
All in favor of rolling back rent prices to what they were in ancient times raise your hands. And remember that back then rent and taxes were basically the same thing.