Imaginación sociológica según Giddens

When were criminals first used to create a system to catch other criminals

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.

Which was not a part of the compromise of 1850? a. california was admitted to the u.s. as a free state. b. slavery was banned in western territories. c. slave trade was banned in washington d.c. d. the strict fugitive slave law was passed.