The people who engaged in the political revolution wanted war because they thought war would unify the country. The had a desire to spread ideas of the Revolution to all of Europe.
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The assassination of Franz Ferdinand is what started WW1, which was done by Serbian rebels, but the county was Austria-Hungary. The two nations that escalated the conflict was Russia, who supported Serbia, and Germany, who supported Austria.
The significance of the 1983 Department of Education report "A Nation at Risk" was it warned that students were scoring lower and lower on standardized tests. The correct answer is D.