History of Portugal (1640–1777) put to the test in 1762 when Spain invaded aided by France, during the Seven Years' War. Britain invoked its alliance with Portugal and sent troops. Several months later, the conflict was settled with comparatively little fighting. In 1777, Spain and Portugal signed the Treaty of San Ildefonso, which mainly resolved a number of border disputes between their South American colonies. During the Age of Enlightenment, Portugal was considered one of Europe's unenlightened backwaters; it was a country of three million with 200,000 people in 538 monasteries in 1750. Melo seems to have been deeply embarrassed by Portugal's much lamented
Land use statistics by country Land use statistics by country This article includes the table with land use statistics by country. Countries are sorted by their total cultivated land area which is a sum of total arable land area and total area of permanent crops. Arable land is a land cultivated for crops like wheat, maize, and rice that are replanted after each harvest; permanent crops land is a land cultivated for crops like citrus, coffee, and rubber that are not replanted after each harvest; this also includes land under flowering shrubs, fruit trees, nut trees, and vines, but excludes land under trees grown for