Answer:
Because they were being mean!!!!!!!
J.K
HISTORY TIME!!!!!!!
In 1820, liberals took power in Spain, and the new government promised reforms to appease the Mexican revolutionaries. In response, Mexican conservatives called for independence as a means of maintaining their privileged position in Mexican society
Why did Mexico want independence? Mexico wanted independence from Spain because
By the 19th century many Mexicans wanted to separate from Spain and create a sovereign government that would act on behalf of their own interests much like the movement for American independence from British rule in the late 18th century.
... His call sparked a flame that would fuel the Mexican fight for independence