Please help me with this U.S history Question

Answer: pls give brainliest
the correct answer is B) dorothea dix
Explanation:
horase mann is know as the father of common school which is said in A.
Lyman beecher also did tempermancw hich it says
and elizabeth cady is known for her early participation in the womens right movement. the only person that wasnt correct was dorothea dix because she placed hospitals around the country to help the mentally ill children