As a result of the 1855 election in Kansas
Answer:
D.Congressional representatives were overthrown.
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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.
Because people worked six or seven days a week
Answer:
William Edward Burghardt Du Bois February 23, 1868 -- August 27, 1963 was an American sociologist, socialist, historian, civil rights activist, Pan-Africanist, author, writer and editor. Born in Great Barrington, Massachusetts, Du Bois grew up in a relatively tolerant and integrated community, and after completing graduate work at the University of Berlin and Harvard, where he was the first African American to earn a doctorate, he became a professor of history, sociology, and economics at Atlanta University. Du Bois was one of the founders of the National Association for the Advancement of Colored People (NAACP) in 1909.
Explanation:
Answer is B, the railroad system going through the cities.