Mexican War of Independence the Congress of Chilpancingo, which gave the insurgency its own legal framework. After the defeat of Morelos, the movement survived as a guerrilla war under the leadership of Vicente Guerrero. By 1820, the few rebel groups survived most notably in the Sierra Madre del Sur and Veracruz. The reinstatement of the liberal Constitution of Cadiz in 1820 caused a change of mind among the elite groups who had supported Spanish rule. Monarchist Creoles affected by the constitution decided to support the independence of New Spain; they sought an alliance with the former insurgent resistance. Agustín de Iturbide led the military
Territorial evolution of North America since 1763 the imperial powers of Europe had the resources to support and expand settlements in North America. As time went on the colonies became more powerful and sought independence from the Old World. These demands for more autonomy sparked several wars, including the American Revolutionary War (1775–1783) and the Mexican War of Independence (1810–1821). The last major colonial power on the continent, the United Kingdom, granted dominion status to Canada in 1867 and slowly turned over its remaining land to that country over the next 100 years, with the last land transfer being the Dominion of Newfoundland in 1949. Throughout this