History of the Ecuadorian–Peruvian territorial dispute nature, but was meant only for ecclesiastical and military jurisdiction. During the first 10 years of independence, Gran Colombia, under the leadership of Simon Bolivar, had continually protested Peru's occupation of Tumbes and Jaen; Maynas had not been militarily occupied yet. Peru ignored Simon Bolivars ultimatum to return Tumbes and Jaen or face war. Bolivar then declared war and Peru responded by successfully invading and occupying southern Ecuador with a force of 8,000 soldiers. Simon Bolivar sent Jose Antonio de Sucre to Ecuador who lead 4,000 Gran Colombian soldiers that defeated the Peruvian invaders in the Battle of Tarqui in
Geography of Colombia highest points named Pico Cristobal Colon (5775 m) and Pico Simon Bolivar (same elevation). Other mountains in the Caribbean plain include the Montes de María and the Serranía de San Lucas. In the Pacific Plains there are other mountain formations, chiefly the Serranía del Darién and the Serranía del Baudó. In the eastern Region, there is the Serranía de la Macarena and there are formations belonging to the Guyana Shield. The natural resources of Colombia are varied and extensive with most of its territory and oceans still unexplored. Colombia has one of the largest open pit coal mines in the