The correct answer for this question is that "it wasn't forcibly incorporated."
The experience of the Californios—being forcibly incorporated into the United States—similar to that of voluntary immigrants, and what makes it different is that it was not forcibly incorporated. The early history of California settlement with the later image of California as a golden land of youth and excitement shows different effects to the people.
In the west was what would be Texas, a place with great potential for the expansion of slavery. Texas had two fertile prairies, the Blackland Prairie and the Grand Prairie. Both of these prairies allowed for the successful growth of cotton plantations and therefore, slavery.
