Because they weren’t payed much and where over worked and it was often dangerous
Answer:
Persistent depressives disorder (dysthymia)
Explanation:
Persistent depressive disorder, also called dysthymia is a continuous long-term (chronic) form of depression. It makes one lose interest in normal daily activities, feel hopeless, lack productivity, and have low self-esteem and an overall feeling of inadequacy, incapable of having fun, glooming personality. These feelings last for years and may significantly interfere with one's relationships, school, work and daily activities.
Answer:
Meriwether Lewis, William Clark, and Sacagawea
Explanation: