I'm not sure 100% what exactly this question is asking, but I know World War 1 was the first war to include Gas masks and Chemical warfare, so that is more than likely the answer.
They passed the Espionage and Sedition Acts which allowed the government to arrest and fine anyone speaking out against the war.
Explanation:
-That only the Catholic Church had the authority to interpret the Bible.
It helped because it enabled other fronts to open up because the American Offensive in the area ended with a victory, which meant that they could move to other areas and bother Germans there. They didn't' do this however because the fighting ended since the Germans became aware of their losses and signed an armistice.
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