In 1828, a teen aged Abraham Lincoln guided a flatboat down the Mississippi River to New Orleans. The adventure marked his first visit to a major city and exposed him to the nation's largest slave marketplace.
Generally speaking, it would be "civil rights" that people gain as part of living under an organized government, although of course this depends greatly on the government in question.
Archaeology is the answer
D. Civil war
B. They represent the 13 original colonies
B. Communism
Slaves mainly but gold and salt good be included as well
