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These have different rules than contributing to a candidate directly.
The major factor in Chicago's rapid growth is that many railroad lines connecting the east and west coasts ran through the region.
Chicago is the city which had the greatest population growth between the year of 1850 and 1900.
Chicago's location as a midway between East and the developing West created its role in agriculture and industry.
Hence, the major factor in Chicago's rapid growth is that many railroad lines connecting the east and west coasts ran through the region.
Therefore, the Option A is correct.
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<em>brainly.com/question/24011194</em>
I belive it is Britain and France I not sure