History of California before 1900 decade and a half, the colony came to rely upon trade with Anglo-Americans and Spanish-Americans from Lima and San Blas for economic survival and political news. The victory in the Mexican War of Independence from Spain in 1821 marked the beginning of Mexican rule in California, in theory, though in practice Mexico did not exert control until 1825. The Indian congregations at missions and the missionaries provided the critical source of products that underlay export revenues for the entire colony between 1810 and 1825. Converting new Indians faded, while ranching and trade increased. As the successor state to the Viceroyalty
Rancho Santiago de Santa Ana County given under Spanish Rule which were rare during this time. This was only two and a half months before the start of the war for Mexican Independence (1810-1821). The surrounding land grants or ranchos were granted by the Mexican government after Mexican independence in 1821. José Antonio Yorba built an elaborate adobe hacienda, El Refugio (the Refuge), located near present-day First and Sullivan Streets in western Santa Ana. With the Mexican Cession of California to the United States following the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored. As required by