Answer: The correct answer would be B. Physical Evidence.
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Answer: people sought the steam boat for not only the purpose of transporting goods, but also for transportation
Without big farms to run, the people in the North did not rely on slave labor very much. In the South, the economy was based on agriculture. ... The North wanted the new states to be “free states.” Most northerners thought that slavery was wrong and many northern states had outlawed slavery.
