21.   Persistent concern about troop movements in the Middle East also supported prices, because military tensions in the region raise concern that crude oil exports could be disrupted.

22.   Rioting and labor strife in Nigeria drove up crude oil and cocoa prices on concern that the unrest would disrupt exports.

23.   Soybeans fell as expectations of a bumper crop in Brazil offset concern that a dockworkers strike there will disrupt exports.

24.   Soybeans fell for the first time in four days after a forecast for a record crop in Brazil offset concern that the dockworkers strike there will disrupt exports.

25.   Strikes in Colombia, including one now in its third day, have disrupted exports.

26.   Still, traders remain wary about other conflicts that might disrupt exports from the oil-rich Middle East.

27.   The decline was limited by concern that a dispute between Iraq and the United Nations could disrupt oil exports.

28.   The dispute threatened to disrupt Middle East exports.

29.   Traders speculate an attempt by the U.S. to retaliate for the attack could lead to further conflicts and eventually disrupt oil exports.

30.   Traders speculate an attempt by the U.S. to retaliate for the attack could lead to further conflicts, and eventually disrupt oil exports.