THE UNITED STATES AND BY PH.D., LL.D. PROFESSOR OF AMERICAN HISTORY AND DEAN OF THE COLLEGE FACULTY IN THE JOHNS HOPKINS UNIVERSITY “ America as a World Power," etc. GARDEN CITY, N. Y., AND TORONTO 1921 COPYRIGHT, 1920, BY DOUBLEDAY, PAGE & COMPANY MY FATHER WHOSE DAILY COMMENTS ON PUBLIC QUESTIONS WERE MY FIRST LESSONS IN THE STUDY OF POLITICS AND TO MY MOTHER WHO IMPARTED TO ME A LOVE OF HISTORY AND WHOSE APPROVAL IS STILL THE RICHEST REWARD OF MY EFFORTS |