largely a record of the struggle, frequently violent, of liberal and conservative elements to determine government policy. Political and social issues were frequently complicated by bitter controversies involving the property, legal status, and privileges of the Roman Catholic church.CConstitutional Changes Slavery was abolished in New Granada in 1851 and 1852. A new constitution, adopted in 1853, provided for trial by jury, freedom of the press, and other civil rights. In 1853 church and state were separated. Five years later the provinces became federal states, and the name of the republic was changed to Granadine Confederation. Civil war broke out in 1861 between liberal elements, favoring greater sovereignty for the states constituting the republic, and conservative elements, fighting for a strong central government. Following the victory of the liberals a new constitution was adopted in 1863 providing for a union of sovereign states named the United States of Colombia.From 1880 to 1930, conservative policies predominated. A revolt of liberal elements was suppressed in 1885. A new constitution was proclaimed in 1886, and the present name of the country, the republic of Colombia, was chosen. The new constitution abolished the sovereign states created by the constitution of 1863 and established the present basic structure of the country. The Roman Catholic church was made the official church. Between 1899 and 1902 the country descended into civil war. This war, known as the War of a Thousand Days, claimed 60,000 to 130,000 lives.DLoss of Panama In 1903 the Colombian Senate refused to ratify the Hay-Herrn Treaty, which provided for the lease of a strip of territory across the Isthmus of Panama to the United States for the purpose of building a canal across the Isthmus of Panama. A revolt broke out in Panama; U.S. armed forces intervened to prevent Colombian troops from suppressing the uprising, and the United States recognized Panama a...