"Speaking of California, the Illinois State Register asked: "Shall this garden of beauty be suffered to lie dormant in its wild and useless luxuriance? . . . myriads of enterprising Americans would flock to its rich and inviting prairies; the hum of Anglo-American industry would be heard in its valleys; cities would rise upon its plains and sea-coast, and the resources and wealth of the nation increased in an incalculable degree."