Explain why the railroad would have been imperative to the success of industrializing nations.

What deadly disease cost many workers their lives before dr. william gorgas found a treatment?

How did the economic impacts of the great depression differ in the united states and in the soviet union?

Which of the following statements about the fugitive slave act of 1850 is not accurate. a. marshals who refused to arrest a suspected fugitive could be fined $1,000. b. slave owners had to present evidence that an african american in the north was a fugitive slave. c. any person who provided food or shelter to a fugitive slave could be find $1000 and placed in jail for six months. d. it required all federal marshals to arrest any african-american suspected of being a runaway slave.