(b) Struggle for constitutional government.
(c) Enthusiasm for natural science.
(d) Development of the doctrine of evolution.
(e) Industrial changes.
(f) Economic theory and reform.
Hence, the study of history demands that such items shall be discovered as explain and support these elements.
5. It is desirable to develop the historic sense by working outward from the industrial activities of the community.
6. It is necessary to reduce diversity to unity.
7. "What is logically first in a subject, i.e., the law or principle, comes last into the possession of the unfolding mind."
8. "The worst possible form of education is an abortive education—one that falls back on some mysterious disciplinary claim for its justification—as if there were any true discipline in failing to master a subject."