Source: John L. O'Sullivan, "Annexation, The United States Magazine and Democratic Review, Vol. XVII, July, 1845
Note: Considered the first person to use the term "manifest destiny", O'Sullivan
describes his views
about the territory of Texas.

It is time for opposition to the Annexation of Texas to cease Texas is now ours Let their
reception into the family' be frank, kindly, and cheerful (O)ther nations have undertaken ...
hostile interference against us, ... hampering our power, limiting our greatness and checking the
fulfillment of our manifest destiny to overspread the continent allotted by Providence (God) for the
free development of our yearly multiplying millions. California will, probably, next fall away from
(Mexico) Imbecile and distracted, Mexico never can exert any real governmental authority over
such a country The Anglo-Saxon foot is already on (California's) borders ... armed with the plough
and the rifle, and marking its trail with schools and colleges, courts and representative halls, mills
and meeting-houses All this will happen) in the natural flow of events

What is the central idea of this document?cite evidence from text.

According to this document was the United States justified in going to war with Mexico?