Relations with France have frequently been contentious. Disputes developed soon after independence over the Algerian expropriation of abandoned French property (1963) and its nationalization of French petroleum interests (1971). There were also problems with the Algerian migrants living and working in France, who consistently remained at the bottom of the economic scale and were subject to ethnic prejudice. After Algerian independence France banned the importation of Algerian wine, deeming it competitive with its own production. In response Boumedienne uprooted and removed grapevines on large stretches of land. Throughout the 1980s the renegotiation of natural gas prices constituted another source of ...(100 of 17999 words)