Horace Mann was an educational reformer who lived in the US in the 19th century. He was a first to advocate a system of a public schools and public education as he believed that everyone had a right to education and that it should be free, democratic and have a professionally trained educators who would provide a quality education.
Explanation:
The Qing Dynasty ended the Warring State period as they unified China which used to be a lot of different independent countries.