41.   Arias pointed to the military as the greatest source of instability throughout Latin America and the Caribbean.

42.   He explained that the Caspian oil deposits may be the greatest source of oil for the world in the next century, after the Gulf region.

43.   Its cable television properties are the greatest source of revenue and profit for the Greenville, South Carolina, company, analysts said.

44.   Short-term visitors aside, the greatest current source of worry as far as the introduction of diseases is concerned is the large population of migrant workers in this country.

45.   The shock wave can be the single greatest source of devastation.

46.   While speed and urgency became the greatest source of strength, they were also the cause of many crashes and, eventually, the downfall of the system.

47.   Cuba is heavily dependent on the tourism industry, its single greatest source of hard currency along with remittances from abroad and sugar exports.

48.   Those increases are the greatest source of worry to the government, observers noted.

49.   Jewish settlements in the territories, deemed illegal under international law, are among the greatest sources of tension in the long-running Israeli-Palestinian conflict.