The hijacking of the convoy last month was carried out by Taliban loyal to Baitullah Mehsud, the head of the umbrella group called Tehrik-e-Taliban.
Savit Kaewvan, the head of an umbrella group representing 200,000 union members, said individual state enterprises would decide whether to proceed with the shutdowns.
He is the father-in-law of Maulana Fazlullah, a deputy to Baitullah Mehsud, who is the head of the umbrella group for the Taliban in Pakistan.
But Michael Sommer, the head of an umbrella group of unions, said earlier this month that he would not stage demonstrations to oppose Mr. Schröder.
But Theo Klein, a lawyer and former head of the umbrella group of Jewish organizations known as the Representative Council of the Jewish Institutions of France, or CRIF, urged the Jews of France not to be carried away by emotion.
"Democracy means to Okinawans that even if the governments of Japan and America decide something, the people can make them take a step back," said Zenko Nakamura, head of an umbrella group opposed to the helicopter base.
Robert Flowers, the head of the umbrella organization responsible for security in Salt Lake City, confirmed in a telephone interview from Utah that the Justice Department had requested a series of last-minute security changes after Mr. Ashcroft's visit.
Roger Cukierman, head of the umbrella group Crif that represents French Jewish organisations, said Jews were not just afraid, they were anguished.
As head of the umbrella group of 205 national Olympic committees, Sheik Ahmed is regarded as a "kingmaker" within the IOC.
Later, in Tokyo, Japan, Wesker, who is the head of the Tokyo Umbrella facility, informs the rest of the Umbrella chairmen, all holograms, that the North American facility has been lost.
