Describe the lasting legacy of the Greek and Roman empires, including their contributions to government, citizenship, science, and culture.

The Romans created a republic after overthrowing a king. Romans are also responsible for creating a legal code written down which protected the rights of all citizens. The Romans were the framework for democratic countries in the world, including Mexico, USA, etc.  

Explanation:

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.

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.