Causes: Heavy taxes, political exclusion, rigid caste system, cultural suppression.
Leaders: Hidalgo, Morelos, Iturbide.
Process: Popular insurgency (1810) → protracted war → elite-led consummation (1821).
Causes: Tax disparities, political exclusion, cultural friction.
Leader: Dom Pedro I (prince regent).
Process: Relatively peaceful declaration (1822) by the heir to the Portuguese throne; monarchy retained.
Mexico: bottom-up revolution, violence, republican outcome. Brazil: top-down separation, continuity of monarchy, less bloodshed.