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Answer:
d. expanded through migration across national borders and internal migration.
Explanation:
Late nineteenth-century witnessed widespread industrialization of the United States. It was a period of great economic boost which created a new wealthy class consist of wealthy merchants, industrialists, bankers, etc. Migration from the rural area and large scale immigrants provided the required labor forces for the increased production process.
Answer:
Start, don't end, with Wikipedia. ...
Mine bibliographies. ...
Have a research question in mind. ...
Deal with one piece at a time. ...
Use a system. ...
Know your resources. ...
Ask for help.
Explanation:
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