1 …….. refers to the set of rules, principles, or ways of thinking that guide, or claim authority to guide, the actions of a particular group.
Please need help what zi write in the space.

Teatro restoration, inc., begins renovating an old theater for urban edge productions, but after three months teatro demands an extra $250,000. urban edge agrees to pay. refer to fact pattern 13–4. if teatro says it is asking for the extra $250,000 because it has encountered extraordinary unforeseen difficulties that will add considerable cost to the project, the agreement is