Mohenjodaro
a planned urban settlement explain​

yup! you are correct it is b.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

19th amendment granted women the right to vote. the 19th amendment guarantees all american women the right to vote.