Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
The quotes that best reflects the eras of Sectionalism is "For the benefit of the whole country, we need to focus on our nation’s interests instead of what is best for our region.”
<h3>What was the eras of Sectionalism?</h3>
The era was known for an exaggerated devotion to the interests of a region over those of a country as a whole.
The statement "For the benefit of the whole country, we need to focus on our nation’s interests instead of what is best for our region.” is correct.
Therefore, the Option D is correct.
Read more about Sectionalism
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She led peaceful rallies for the people.
They were merged to the Iran soviet <span />
