Why is cholera still a problem even though the cause of the disease is understood? a. outbreaks are common in places that have low development and limited resources to combat the illness. b. no known cure exists for cholera. c. outbreaks were common prior to the 20th century, but have since become more sporadic, making it harder to fight the disease. d. treatment for cholera is complicated, and most people who get the disease will die despite treatment.

1. darius the great     persia  

2. piankhi       nubia

3. ezana       aksum

4.     nebuchadnezzar     babylonia

5. shalmaneser iii     assyria

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.