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ub|k ub|k
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Posts: 6621
6 years ago
The introduction of steam powered boats in the early 1800s solved what particular transportation problem?
 
  a. the ability to cross over mountain ranges via water and portage roads
  b. the ability to travel upstream as well as downstream
  c. the ability to slow speeds when going through rapids
  d. the passage of waterways in the winter
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AseizeAseize
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6 years ago
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