Which accurately describes a reason the united states went to war with mexico in 1846? a. the sentiment that texans were being abused under mexican rule b. the desire for new land and faith in the concept of manifest destiny c. the fear that mexicans would take factory jobs from white americans d. the belief that mexico's slave-based agriculture could ruin american farmers

these conditions long with a short growing season made farming difficult.

explanation:

the north has a climate of warm summers and snowy cold winters. the terrain is rocky, hilly, and not good for farming.

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.