Answer:
True.
Step-by-step explanation:
The mountain men were a group of fur traders and explorers who roamed the mountains and valleys of the American West in the early 19th century in search of beaver pelts, which were highly prized for their use in the production of hats. In the course of their activities, the mountain men explored much of the uncharted territory in the West, including the Rocky Mountains, the Great Basin, and the Sierra Nevada. They were some of the first Europeans to set foot in many of these areas and helped to open up the West to further exploration and settlement. The search for gold was also an important motivation for some mountain men, as they hoped to strike it rich by discovering gold deposits in the region.