Why did conflict break out between the American settlers and the Mexican government? How did the Texans manage to win?

There were several causes of the conflict between the American settlers and Mexico. First, Mexico feared that they would lose Texas to the United States, so they started enforcing laws that had been ignored. Fighting at the Alamo inspired Texans to win their independence because it fueled the rage of Texans.

Explanation: do you want one?

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.