Answer:
D. There was no more frontier land
Explanation:
This is the answer because the 1890 census said that the frontier region of the United States no longer existed which means there was no more frontier land.
Hope this helps!
Answer:
this question is lacking nessicary information
Explanation:
this question is impossible to answer without the document you read before it
What evidence shows that the US involvement in the Vietnam War conflict was justified?
<h3>Option B</h3><h3>Option A</h3><h3>Option D</h3><h3>Option C</h3><h3>Option C</h3><h3 />
