Answer:
the British victory over their colonial rebels would have deprived other potential revolutionary movements in the Spanish New World of their inspiration. Instead of America going to war with Mexico in 1848, it is likely that the expanded British New World Empire would have gone to war against, and likely won against, the Spanish North American colony. As part of the victory treaty, the Brits likely would have claimed the same territory from the New World Spanish possessions which the U.S. claimed from Mexico. However, by this point slavery would have been abolished, and therefore not a primary motivation of that war.
Explanation:
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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