Cities grew rapidly during the mid-1800s due to a. immigration and the migration of rural inhabitants to urban areas. b. the growth of the middle class. c. the enriched cultural life available in cities. d. an increase in adequate public services such as police and fire protection.

a. Immigration and migration of rural inhabitants to urban areas.

Explanation:

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others, still angry about the revolution, argued against a commercial treaty with the britain promised to withdraw all of its troops from america after the in the northern frontier, however, the british refused to surrender several military posts on a stronger central government in america may have resolved these foreign.

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