Final answer:
Horace Mann believed that American schools should be nonreligious and publicly funded, with a focus on providing education to all children and teaching values such as morality and discipline.
Step-by-step explanation:
Horace Mann, a prominent education reformer in the 1800s, believed that American schools should be nonreligious and publicly funded. He advocated for the establishment of public schools that would provide education to all children, regardless of their religious background or social status. Mann believed that education should not only focus on academic subjects, but also teach values such as morality and discipline. His goal was to create a system of education that would prepare youth for their social and civic duties as adults.