Horace Mann advocated ______________.

A) free to the student, tax-supported education
B) that teachers should concentrate on imparting the moral lessons to be learned from a study of the classics
C) that education was a private, family concern and not the concern of the state
D) religious indoctrination in state-supported schools

Horace Mann was a strong advocate for free, tax-supported education for all students, regardless of their socioeconomic background. He believed that education was essential to creating a more equal and democratic society, and that it was the responsibility of the government to provide this education to its citizens. He also believed that teachers should be well-trained and well-paid, and that schools should be well-equipped and well-maintained. Overall, his vision for education was one that would benefit all members of society, not just a privileged few.