The boundary that America DID NOT push in the second half of the century is D. Power.
<h3>What is a boundary?</h3>
This is known to be a line that marks a limit, also known as a dividing line.
Hence, we can see power was the boundary that America did not push past the half of the century.
Individualism is NOT a core value depicted in the literature of the time period.
Read more about <em>boundary</em> here:
brainly.com/question/14298823
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