The Publication of the Cardinal Principles of Secondary Education (1918)

The publication of the Cardinal Principles of Secondary Education (1918) was an important benchmark in the history of the aims of American public education in that

A) it reinforced the concept of education as a process of strengthening the mental faculties.
B) it shifted the focus in secondary schools from rigorous education in traditional liberal arts to a broader focus on the skills required for successful living in our society.
C) it established the high school as the place where most people would receive their education in math and science.
D) it ensured that only competent teachers would be involved in the selection and implementation of the national curriculum.