History of Portugal the Moors in 1249, and in 1255 the capital shifted to Lisbon. Neighboring Spain would not complete its "Reconquista" until 1492, almost 250 years later. Portugal's land boundaries have been notably stable for the rest of the country's history. The border with Spain has remained almost unchanged since the 13th century. The Treaty of Windsor (1386) created an alliance between Portugal and England that remains in effect to this day. Since early times, fishing and overseas commerce have been the main economic activities. During the 15th and 16th centuries, Portugal became a leading European power that ranked with England, France
U.S. Customs and Border Protection quality of life in border communities. In some areas, Agents are deputized or have peace-officer status and use it to enforce local and state/territory laws. More than 20,000 Border Patrol Agents safeguard nearly 6,000 miles of land border the United States shares with Canada and Mexico, and more than 2,000 miles of coastal waters. One of the most important activities for a United States Border Patrol Agent is "line watch". This involves the detection, prevention and apprehension of terrorists, illegal aliens and smugglers of both aliens and contraband at or near the land border by maintaining surveillance from a covert