Select the correct answer.

According to the safety valve theory, what would occur once the American frontier was closed?

A. Social conflict would increase because citizens would not have any place to make a fresh start.
B. The concept of what it meant to be American would be changed by influxes of immigrants.
C. Economic growth would halt because businesses would not have new markets to conquer.
D. The population of the country would quickly overwhelm its natural resources.



Answer :

Final answer:

The safety valve theory states that Western expansion served as an alternative to wage labor, preventing social tensions. The closure of the American frontier could lead to increased social conflict.


Explanation:

The safety valve theory posited that Western expansion would serve as an alternative to wage labor, preventing social tensions as farmland and jobs became scarce. Once the American frontier closed, Western expansion would end, potentially leading to increased social conflict due to the lack of opportunity for a fresh start.


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