ISBN-13: 9781530007721 / Angielski / Miękka / 2016 / 28 str.
There has been a great improvement in the physical condition of the people of the United States within two generations. This is more noticeable in the West than in the East, but it is marked everywhere; and the foreign traveler who once detected a race deterioration, which he attributed to a dry and stimulating atmosphere and to a feverish anxiety, which was evident in all classes, for a rapid change of condition, finds very little now to sustain his theory.