Cause:
The decline of the Spanish Colonial Empire (which had reached its highest point under Philip II at the end of the sixteenth century) continued throughout the seventeenth, eighteenth, and early nineteenth century, and was hastened by the misgovernment, corruption, and incessant outbreaks of revolution in Spain itself. One by one by means of revolution, the Spanish-American colonies had gained their independence. The policy of the Holy Alliance and of Metternich was to check the growth of Constitutional government in Europe. King Ferdinand of Spain was in conflict with the constitutional movement, and civil war prevailed. In 1823 France intervened in Spain on behalf of Ferdinand, and French troops entered Madrid. Canning, on behalf of Great Britain, prohibited the conquest by France or her allies of the Spanish colonies, and formally recognized their independence in 1824. Cuba and other islands were the last of the Spanish possessions. During the remainder of the nineteenth century Spain continued periodically to be torn and weakened by internal disturbances.