The rebels declared California an independent republic on June 14, 1846.

It officially ended the Mexican-American War in 1848.

Mexico had to give up all of California and New Mexico to the United States.

as a result

the dividing up of something for a special purpose

a nickname created in reference to the 80,000 people who arrived the first year of the gold rush

the act of proclaiming or announcing

to be enough or adequate, as for needs, purposes...etc.

spread out; extended

charge with a specified office or duty involving trust

the act of gaining possession

a movement toward a goal or to a further or higher stage

to possess, claim, or reserve a share of (land, profit, glory, etc.)

set against or contrasted with something else or with each other; viewed as contrary or competing

adding to something larger, especially the incorporation of new territory into the domain of a city, country, or state

clear or obvious

something that is fated to happen

holding back, controlling; confinement

The roots of Manifest Destiny can be described as social, political and economic.