Germany I believe. Should be the answer
I would say that Plessy v. Ferguson contributed to the Civil Rights movement. This was a court case that ruled that racial segregation in schools was allowed as long as the education for black students was equal to white students. Although this does not seem like a civil rights act, it later lead to Brown v. Board of Education, which ended racial segregation in schools all together.
They fought in the war which helped the army
I believe your answer is Russia! I hope this helps!! :)
-K