Why did americans consider cesar chavez a hero in the 60's and 70's a. he was a gifted writer and his stories always had a special message for the american people b. he introduced mexican music to american pop music scene c. he set an american league batting average record while playing for the san diego padres. d. he organized migrant farm workers in the struggle for better wages and conditions

explanation:

aids

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.