in the hands of General José Hilario Lopez, a member of the democratic party, and under him various changes were effected of a liberal tendency. In January 1852 slavery was entirely abolished. The next president was José Maria Obando, but his term of office had to be completed by vice-presidents Obaldia and Mallarino.
In 1853 an important alteration of the constitution took place, by which the right was granted to every province to declare itself independent, and to enter into merely federal connexion with the central republic, which was now known as the Granadine Confederation. In 1856 and 1857 Antioquia and Panama took advantage of the permission. The Conservative party carried their candidate in 1857, Mariano Ospino, a lawyer by profession; but an insurrection broke out in 1859, which was fostered by the ex-president Mosquera, and finally took the form of a regular civil war. Bogotá was captured by the democrats in July 1861, and Mosquera assumed the chief power. A congress at Bogotá established a republic, with the name of the United States of Colombia, adopted a new federal constitution, and made Mosquera dictator. Meanwhile the opposite party was victorious in the west; and their leader, Julio Arboleda, formed an alliance with Don Garcia Moreno, the president of Ecuador. He was assassinated, however, in 1862; and his successor, Leonardo Canal, came to terms with Mosquera at Cali. The dictatorship was resigned into the hands of a convention (February 1863) at Rio Negro, in Antioquia; a provisional government was appointed, a constitution was drawn up, and Mosquera elected president till 1864. An unsuccessful attempt was also made to restore the union between the three republics of the former federation. The presidency of Manuel Murillo Toro (1864–1866) was disturbed by various rebellions, and even Mosquera, who next came to the helm, found matters in such a disorganized condition that he offered to retire. On the refusal of his resignation, he entered into a struggle with the majority in the congress, and ultimately resorted to an adjournment and the unconstitutional arrest of 68 of the senators and representatives. To the decree of impeachment published by the congress he replied by a notice of dissolution and a declaration of war; but he soon found that the real power was with his opponents, who effected his arrest, and condemned him first to two years’ imprisonment, but afterwards by commutation to two years’ exile. The presidency of Santos Gutierrez (1868–1870) was disturbed by insurrections in different parts of the republic, the most important of which was that in Panama, where the most absolute disorganization prevailed. Under his successor, General E. Salgar, a Liberal candidate elected in opposition to General Herran, a treaty was finally concluded with the United States in connexion with an interoceanic canal, a bank was established at Bogotá, and educational reforms instituted. Manuel Murillo Toro (1872–1874) and Santiago Perez (1874–1876) saw the country apparently acquiring constitutional equilibrium, and turning its energies to the development of its matchless resources.
The election for the presidential term 1876–1878 resulted in favour of Aquiles Parra, who was succeeded in April 1878 by General Julian Trujillo. His administration was marked by a strong effort to place the financial position of the government on a more satisfactory footing, and the internal indebtedness was substantially reduced during his rule. In April 1880 Señor Rafael Nuñez acceded to the presidency. During his term of office revolutionary disturbances occurred in the provinces of Cauca and Antioquia, but were suppressed with no great difficulty. Provision was made in 1880 for a settlement of the boundary dispute with Costa Rica, and in July of that year the federal Congress authorized the formation of a naval squadron. A movement was now set afoot in favour of a confederation of the three republics of Colombia, Ecuador and Venezuela on the basis of the original conditions existing after the expulsion of Spanish authority, and a resolution was passed by the chamber of deputies to that effect. The opposition shown by Venezuela and Ecuador to this project prevented any definite result from being achieved. In April 1882 Señor Francisco J. Laldua became president, but his death occurring a year later, General José Eusebio Otalora was nominated to exercise the executive power for the unexpired portion of the term. In 1883 the dispute in connexion with the boundary between Colombia and Venezuela was submitted by the two governments to the arbitration of Alphonso XII., king of Spain, and a commission of five members was appointed to investigate the merits of the respective claims. The decision in this dispute was finally given by the queen regent of Spain on the 16th of March 1891. In April 1884 Señor Rafael Nuñez was again proclaimed president of the republic in his absence abroad. Pending his return the administration was left in the hands of General Campo Serrano and General Eliseo Payan. The Liberal party had been instrumental in the re-election of Nuñez, and looked for a policy in conformity with their views and political convictions. President Nuñez had no sooner returned to Colombia than the Liberals discovered that his political opinions had changed and had become strongly Conservative. Discontent at this condition of affairs soon spread. Nuñez from motives of ill-health did not openly assume the presidential office, but from his house near Cartagena he practically directed the government of the republic. The Liberals now began to foment a series of revolutionary movements, and these led in 1885 to a civil war extending over the departments of Boyaca, Cundinamarca, Magdalena and Panama. General Reyes and General Velez were the two principal leaders of the revolt. In order to protect the passage of the traffic across the Isthmus of Panama during these disturbed times detachments of United States marines were landed at Panama and Colon, in accordance with the terms of the concession under which the railway had been constructed. After a number of defeats the leaders of the revolt surrendered in August 1885, and on the 5th of September following peace was officially proclaimed. Nuñez, who had meanwhile assumed the presidential duties, now brought about a movement in favour of a fresh Act of Constitution for Colombia, and a new law to that effect was finally approved and promulgated on 4th August 1886. Under the terms of this act the federal system of government for Colombia was abolished, the states becoming departments, the governors of these political divisions being appointed by the president of the republic. Each department has a local legislative assembly elected by the people. The national congress is constituted of the Senate and the House of Representatives. The Senate is composed of twenty-seven members elected for six years, one-third retiring every two years, three of whom are nominated by each of the nine departments. The House of Representatives comprises members elected for four years by universal suffrage, each department forming a constituency and returning one member for every 50,000 inhabitants. Congress convenes every two years. The presidential term of office under the new act was fixed at six years in place of the two years formerly prevailing. The judiciary was irremovable, and trial by jury was allowed for criminal offences. Capital punishment was re-established, and the press was made responsible for matter published. The unlicensed trade in arms and ammunition thitherto existing was prohibited. Previous to 1886 the crime of murder was only punishable by 10 years’ imprisonment, a sentence which in practice was reduced to two-thirds of that term; slander and libel were formerly offences which the law had no power to restrain, and no responsibility attached to seditious publications.
After the promulgation of this new Act of Constitution President Nuñez was proclaimed as president of the republic for the term ending in 1892. He was unable, however, in consequence of ill-health, to reside at Bogotá and discharge the presidential duties, and consequently in August 1888 Señor Cárlos Holguin was designated to act for him. In 1892 President Nuñez was again elected to the presidency for a term of six years, his continued ill-health, however, forcing him to place the active performance of his duties in the hands of the vice-president, Señor Miguel Caro. In 1895 the Liberals made another attempt to seize the government of the country, but the movement was suppressed without any very great difficulty. In this same year Nuñez died, and Vice-President Caro became the actual president,
