Analysts said the government’s flood relief effort would not only serve as another test of public trust, but would also most likely be exploited as a wedge by foreign governments and militant organizations. Last summer, hard-line Islasports sunglassesmist charities ended up providing significant aid to the displaced, while Pakistani authorities were unable to deliver enough help but refused to allow American agencies to deliver more. The authorities did not want to be associated with the United States, widely blamed here for many of the country’s ills. That has not changed. For the moment, the United States, which has pledged $10 million in aid for flood victims and has donated thousands of meals, is handing over the supplies for Pakistan to deliver. The United States is also sending 2 water filtration systems, 7 helicopters and 12 prefabricated bridges. One of the priorities is rebuilding a crucial bridge in Dir district, which remains largely cut off and where thousands are feared trapped or dead. And in Upper Swat, mules were being used to shuttle food rations across high waters to the hungry, an official said.