Horace Mann had a plan to change U.S. education in the mid-19th century by D. making school free to all students.
<h3>What did Horace Mann call for?</h3>
Horace Mann was an abolitionist politician who believed that it was important that every child get an education.
He believed that it was the duty of the government to provide this education for free to all students, and he contributed immensely to the public school system as we know it today.
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The answer is B. Without the United States, the League lacked the firepower to actually make a huge difference without the individual nations suffering huge consequences. In turn, the League didn't do anything, thus they were ineffective and nothing but a figurehead for democracy and international peace.
Answer:
bc slavery wasn't legal in the more north headed states and the practice wasn't used on many over there
Explanation:
D. Poland - If I'm wrong I'm sorry.