In the 1800s, dorothea dix worked to improve conditions in

prisons and hospitals.

mills and factories.

utopian communities.

public schools.

  Prisons and hospitals.

Explanation:

  She advocates for the rights of mentally ill people. Through a program of lobbying, she created the first generation of American Mental Asylum. She did this after having seen how the mentally ill people were treated across the United States. She did the same with the prisoners and the disabled after the end of the Civil War.

   I hope this answer helps you.

the answer would b 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: