5. Has there been any change in the relative amount of foreign food products consumed in your household in the past generation?

6. If an American farmer can get more sugar by raising cotton or wheat and exchanging his surplus, is there any reason why he should raise sugar?

7. The American cane sugar industry. [Depew, chap. 37 by Searles; Pub. Amer. Econ. Assoc., 1904, 5: 79-98; Census, 1900, 6: 443-494; 1910, 10: 477-483; U. S. Bureau of Manufactures, Misc. Series, no. 53, 1917.]

8. The beet sugar industry. [Census, 1900, 9: 543-555; 1910, 10; 471-477; Rep. Ind. Comm., 1900, 10: ccli-cclxxiv; House Doc. 396, 55th Cong., 2d Session; Poole’s Index.]

9. The chemical industry of the U. S. [Depew, chap. 63 by Bowers: Census, 1880, 2: 985-1028; 1900, 7: clii, 10: 523-569; 1910, 10: 531-550; Bureau of Foreign and Dom. Commerce, Misc. Series, no. 82, 1919.]

10. Write a report on the history, sources of supply, commerce and uses, of one of the raw materials mentioned in sect. 700. [Encyc., commercial geographies, U. S. Census.]

11. Write a report on one of the following industries, with respect to production at home and importation from abroad:

(a) Glass. [Depew, chap. 40 by Gillinder; Census, 1880, 2: 1029-1152, 1900, 9: 947 ff.; 1910, 10: 975-884; U. S. Bureau of manufactures, Misc. Series, no. 60, 1917.]

(b) Earthenware and potteries. [Depew, chap. 41 by Moses; Census, 1900, 9: 899 ff.; 1910, 10: 849-871; U. S. Bureau of Manufactures, Misc. Series, no. 16, no. 21.]

(c) Hides and manufactures of leather. [Depew, chap. 75 by Foerderer; Census, 1900, 9: 699-738; 1910, 10: 717-732.]