The guild paid taxes, as well as a percentage of their trade profits, to their lords.
Almost all humans to a certain extent are dissatisfied with the limited availability of resources, but if you're speaking from an academic point of view, it would be Economists, since they study choices made from this limited availability.
Answer: second choice
Explanation: As you may know, the world around us and our country has greatly changed, and yet the constitution still stands. This is why.