Erg (landform) Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand and where sand covers more than 20% of the surface. Smaller areas are known as "dune fields". The largest hot desert in the world, the Sahara, covers and contains several ergs, such as
What Is a Nation? Anderson also points out that the reason many French citizens of Renan's time knew anything of these massacres was because they learned of them in state-run schools. Thus, the state itself preserved the knowledge which needed to be forgotten for national identity. In a 1995 book, "For Love of Country: an essay on patriotism and nationalism", Maurizio Viroli called Renan's essay "the most influential late nineteenth-century interpretation of the meaning of nation", because of its focus on the "spiritual principle" as opposed to race, religion or geography. Other authors, like Joxe Azurmendi, consider that really there is no such opposition