August 24, 1821 is the ending date of the Mexican War of Independence.
- the inequalities of life under the caste system
- the flow of wealth out of New Spain to Spain
- the inability of New Spain to feed its own people
- the confusion and division in the government of both Spain and New Spain
- the flow of new ideas on government rights arriving from America and France, both of whom had recently undergone revelations of their own
