Did you consider any of these factors in your answer?
New rail lines brought raw materials to
growing cities in the Northeast and Midwest.
Coal, oil, and iron resources were
concentrated in the Northeast and Midwest.
The abundance of railroads in the Northeast
and Midwest made transporting goods easier.

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.