Final answer:
The teaching method used in Mr. Durgan's US history class, where students work in teams to explore, research, and discuss historical events, is an example of cooperative learning.
Step-by-step explanation:
The teaching method used in Mr. Durgan's US history class, where students work in teams to explore, research, and discuss historical events, is an example of cooperative learning. Cooperative learning is a strategy where students work together in small groups to complete a task or solve a problem. This method promotes collaboration, communication, and active learning, as students can share ideas, perspectives, and knowledge with one another. In this case, students are able to learn from each other as they research and discuss historical events, enhancing their understanding and engagement with the subject matter.