Both Champollion and Young struggled with a similar problem while trying to decipher the
Rosetta Stone. What was it?
They did not know the names of many ancient Egyptian
rulers.
They did not have enough help from experts on ancient
Egypt.
They did not know enough about the customs and laws
of ancient Egypt.
They did not always know how the ancient Egyptians
spelled and pronounced names.

A, they did not know the names of many ancient Egyptian rulers

the answer is a. since they were a huge producer of cotton and wanted the most money for it.

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.