10. The influence of the canal in the growth of business in South America.
11. The deep water way.
12. The parcel post zones.
Exercise 277
Books that will Suggest Topics for Talks
Bolton, S. K., Successful Women.
Chamberlain, J. F., How We Travel.
Drysdale, W., Helps for Ambitious Boys; Helps for Ambitious Girls.
Fowler, N. C., Practical Salesmanship; Starting in Life.
Hale, E. E., What Career?