Respuesta :
The new economy led to a growing middle class. Middle-class people tended to marry later in life and concentrated financial resources on educating fewer children in preparation for professional futures is statement best explains the trend toward lower birthrates in the late 1800s.
Who are the middle class people?
Middle class people are the people who are who have limited source of income and do not able to afford the luxurious lifestyle. Based on data from the U.S. Census Bureau. According to Pew, those with intermediate incomes earn between $42,000 and $126,000 annually.
Thus, option C is correct.
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