B.might choose their church's leadership over their country's
The correct answer is D, as during the baby boom in the United States, growing families increased the demand for products.
The baby boom was a demographic phenomenon during the period between 1946 and 1964, characterized by a notable increase in the birth rate, as it went from 132 million people in 1940s to 203 million in the 1970s. This phenomenon produced an increase in the demand for goods and services, due to the population increase that it generated.
He wrote it to argue that the characteristics associated with the American national character were indeed forged on the western frontier.
He also argues that it was the Western frontier and it was not the Eastern frontier. I hope this answer helps you out and that you have a great day!!! <3 :)