Answer:
She helped on the Lewis and Clark expedition
Explanation:
This is important because she was a woman and she was also Indian. She was know for being very strong and she also had a child which she only was in labor for 10 minutes. She also is known for helping nurse most/all of the men on the Lewis and Clark expedition.
Because they where finding new and better ways to use power so it made the industry bigger
The main cause was the Stock Market Crash of 1929.
I think the answer is the 10th Amendment
The Chinese were addicted to the Opium.