I think the answer is C from the information that I have looked up.
The answer is C.
Mountain men were trappers and explorers<span> who roamed the North American Rocky Mountains from about 1810 to the early 1840s.</span>
Dealing with anxiety
- Take a time out
- Eat well-balanced meals
- Take deep breaths
- Get enough sleep
- Exercise daily to help you feel good and maintain your health
- Limit alcohol and caffeine, which can trigger anxiety and panic attacks.
Heart problems
This can be a medical problem, in which doing daily things can help but not solve. I recommend visiting your doctor for this.
Hope I helped!
Advancement in mapmaking and navigational techniques is the one among the following choices given in the question that helped to bring about European global exploration during the 15th to 18th centuries. The correct option among all the options given in the question is the fourth option or option "d".
