Why was lewis and clark amazed with the animal they had caught

The kansas-nebraska act allowed the territories of kansas and nebraska to decide the issue of slavery by popular sovereignty. the people who lived in these territories would be able to vote on whether slavery would be allowed there. what effect did this have on kansas? a. settlers voted to allow slavery only in half of the territory. b. kansas became a slave state and joined the confederacy. c. settlers held a series of debates to them decide. d. pro-slavery settlers fought against anti-slavery settlers.

What is a person called when they are on your side and supports you

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.