<span>many ethnic groups wanted their own nation-states</span>
Answer:
Um the germans hated the Versailles treaty because it basically blamed them for the war. also was the reduction in military, demilitarizing the Rhineland, and massive war reparations.
Answer:
reforming taxes
Explanation:
One way in which the Progressives were successful in reforming the federal government through reformation of the federal government taxes.
This was successful, because in 1913, President Woodrow Wilson signed the Revenue Act bill into law which also included an income tax that taxed the wealthy citizens at a much higher rate than other citizens.
Finance is the correct answer 100%