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68 cannot understand them. Of those who can both read and understand, a good three-quarters we may assume have some part of half an hour a day to spare for the subject. To them the words so acquired are the cue for a whole train of ideas on which ultimately a vote of untold consequences may be based. Necessarily the ideas which we allow the words we read to evoke form the biggest part of the original data of our opinions. The world is vast, the situations that concern us are intricate, the messages are few, the biggest part of opinion must be constructed in the imagination.

When we use the word "Mexico" what picture does it evoke in a resident of New York? Likely as not, it is some composite of sand, cactus, oil wells, greasers, rum-drinking Indians, testy old cavaliers flourishing whiskers and sovereignty, or perhaps an idyllic peasantry à la Jean Jacques, assailed by the prospect of smoky industrialism, and fighting for the Rights of Man. What does the word "Japan" evoke? Is it a vague horde of slant-eyed yellow men, surrounded by Yellow Perils, picture brides, fans, Samurai, banzais, art, and cherry blossoms? Or the word "alien"? According to a group of New England college students, writing in the year 1920, an alien was the following:

"A person hostile to this country."

"A person against the government."

"A person who is on the opposite side."

"A native of an unfriendly country."

"A foreigner at war."