Answer:
Napoleon carried out, from 1802 to 1815, a series of military campaigns with the aim of conquering all of Europe on behalf of France. Thus, this situation caused most of the European nations to be involved in the Napoleonic wars, including Spain, Portugal and the Netherlands, which were the main colonial powers in Latin America.
In this way, when Napoleon began to occupy these nations, a power vacuum was generated in the colonies (while the European nations that dominated them were occupied), which originated revolutionary movements that took advantage of the situation and the weakness of the colonies. European metropolises to declare their independence.