Look at the Pope Manufacturing Co. advertisement. An ad for Columbia Bicycles.

Which detail from Chapter 1 of Wheels of Change does this image enhance?

[Pope] encouraged American author Charles E. Pratt to write The American Bicycler, a handbook for cyclists, and gave away thousands of copies.
[Pope] gave prizes to doctors who wrote the most effective articles linking bicycle riding to good health.
Pope also supported legal and political efforts to establish cycling as a legitimate endeavor. That included going to court in cities where riding was outlawed.
Pope knew that he also had to build a market by raising the excitement level of the American people for his product.