History of the Ecuadorian–Peruvian territorial dispute of the many treaties signed between "Colombia" and Peru before 1830. In Peru, the dissolution of Gran Colombia is seen as a country ceasing to exist, giving way to the formation of new nation states that had nothing to do with the original federation. The significant implication of this view is that the treaties Peru had signed with Gran Colombia were voided, as the country in question no longer existed, and was replaced with three new states, the Republic of New Granada (which subsequently changed its name to Republic of Colombia), the Republic of Venezuela and the Republic of Ecuador.
Separation of Panama from Colombia from Colombia and establishment of an independent republic. When the United States sought to take over the canal project, the government of Colombia proved difficult to work with, and with the cooperation of French financier Philippe-Jean Bunau-Varilla, Panama simultaneously declared independence from Colombia and negotiated a treaty granting the U.S. the right to construct the canal. The United States was the first country to recognize the independence of the nascent republic, sending the U.S. Navy to prevent Colombia from retaking the territory during the first days of the new Republic. In exchange for its role in defending the Republic, and