The passage of the fugitive slave law was part of the

kansas-nebraska act
harpers ferry raid
dred scott supreme court decision
compromise of 1850

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.

b) almost one million irish people died during the potato famine.