This was a national conflict in an Asian country aided by Russia in the North and the U. S. in the South

Korean War

Explanation:

The Korean War was originally just an Asian dispute amongst themselves, but with the allies made through other conflicts throughout history (WWI, II, Cold War)  Russia helped North Korea (communisim) and the US helped South Korea (Democracy/anti-communist). This war was from 1950-1953.

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.