The mail empire of west africa was known far and wide for the great wealth

The statement is true.

the Mali Empire was a large empire in Western Africa. It was the dominant force in the region, being by far the wealthiest, military strongest, and it was also superior in its architecture and development compared to the others in the region.

The empire was well known for its excellent organization in its cities and social life, but it was the enormous wealth of this empire that was attracting the most interest and curiosity. The Mali Empire was very rich in gold, and since the gold was the most valuable thing it made lot of other empires to envy it. The empire had so much gold that its emperor Mansa Musa is considered to have been the richest man in the whole human history.

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.

i believe out of the choices it is a.