es (410-411).
2. Changes in economic opportunities (411).
3. Problems of congestion and assimilation (410).
4. Relations to labor and illiteracy (582-586).
5. Oriental immigration (583).
6. The restriction of immigration (583-585).

=Expansion of the United States=

I. Territorial growth.
1. Territory of the United States in 1783 (134 and color map).
2. Louisiana purchase, 1803 (188-193 and color map).
3. Florida purchase, 1819 (204).
4. Annexation of Texas, 1845 (278-281).
5. Acquisition of Arizona, New Mexico, California, and other
territory at close of Mexican War, 1848 (282-283).
6. The Gadsden purchase, 1853 (283).
7. Settlement of the Oregon boundary question, 1846 (284-286).
8. Purchase of Alaska from Russia, 1867 (479).
9. Acquisition of Tutuila in Samoan group, 1899 (481-482).
10. Annexation of Hawaii, 1898 (484).
11. Acquisition of Porto Rico, the Philippines, and Guam at
close of Spanish War, 1898 (493-494).
12. Acquisition of Panama Canal strip, 1904 (508-510).
13. Purchase of Danish West Indies, 1917 (593).
14. Extension of protectorate over Haiti, Santo Domingo, and
Nicaragua (593-594).
II. Development of colonial self-government.
1. Hawaii (485).
2. Philippines (516-518).
3. Porto Rico (515-516).
III. Sea power.
1. In American Revolution (118).
2. In the War of 1812 (193-201).
3. In the Civil War (353-354).
4. In the Spanish-American War (492).
5. In the Caribbean region (512-519).
6. In the Pacific (447-448, 481).
7. The role of the American navy (515).

=The Westward Advance of the People=

I. Beyond the Appalachians.
1. Government and land system (217-231).
2. The routes (222-224).
3. The settlers (221-223, 228-230).
4. Relations with the East (230-236).
II. Beyond the Mississippi.
1. The lower valley (271-273).
2. The upper valley (275-276).
III. Prairies, plains, and desert.
1. Cattle ranges and cowboys (276-278, 431-432).
2. The free homesteads (432-433).
3. Irrigation (434-436, 523-525).
IV. The Far West.
1. Peculiarities of the West (433-440).
2. The railways (425-431).
3. Relations to the East and Europe (443-447).
4. Ame