Simplify the following text for a Grade 8 native English-speaking person.
Original: The struggle for Mexican independence dates back to the decades after the Spanish conquest of the Aztec Empire , when MartÃ n CortÃ s ( son of HernÃ n CortÃ s and La Malinche ) led a revolt against the Spanish colonial government in order to eliminate privileges for the conquistadors .
Simplified: The idea of a Mexican independence goes back to the years after the Spanish conquest of the Aztec Empire . MartÃ n CortÃ s led a revolt against the Spanish colonial government .