Final answer:
The mountain range that includes the Berkshire Hills and stretches across western Massachusetts is part of the Appalachian Mountains, contributing significantly to tourism and recreation in the area.
Step-by-step explanation:
The mountain range that cuts across the west of Massachusetts and includes the Berkshire Hills is part of the Appalachian Mountains. This range is known for its scenic beauty and has been a significant attraction, fostering tourism in the region.
The Berkshire Hills offers numerous recreational activities, such as hiking, skiing, and leaf peeping in the fall, making it an important area for both the tourism and recreation industries. The natural landscape of the region, along with historical events such as the uprising led by Daniel Shays in 1787, contribute to the unique character of Western Massachusetts.
The Berkshires are also part of the region's historical disputes over land, as they were once claimed by both New Hampshire and New York before being settled as part of Massachusetts.