Final answer:
Agreements among multiple states related to resource management are known as interstate compacts, which are crucial for state cooperation on issues that transcend state borders.The correct option is b.
Step-by-step explanation:
Agreements among two or more states to regulate the use or protection of certain resources, such as water or oil and gas, are known as interstate compacts. These compacts allow for the cooperation between states on important issues that cross state borders, such as environmental regulation, water distribution, and shared resources management. This cooperative mechanism is a key element of the U.S. federal system that enables states to address regional or national challenges collectively.