31.   The lack of secure, reliable content protection has hindered efforts to build an electronic market in copyrighted materials.

32.   The protests could hinder Czech efforts to join the European Union, to become an energy exporter and to privatize the utility.

33.   The report also said rebels hinder anti-drug efforts by attacking aircraft and organizing protests against the eradication of coca, the source of cocaine.

34.   The Patriots thought they could win under Pete Carroll, but poor drafting and the steady loss of key players hindered that effort.

35.   They emphasized, however, that the bombing campaign and banditry continued to hinder relief efforts.

36.   While both chairmen concede that the McCain-Feingold legislation would severely hinder their efforts, they have followed far different public relations approaches.

37.   Poaching has hindered government efforts to protect the panda, a species indigenous only to China.

38.   A fire inside the mine continued to burn, hindering rescue efforts, he said.

39.   A snowstorm also hindered efforts to find them.

40.   A shortage of vehicles and the disruption of rail and road networks hindered government efforts to reach hundreds of thousands of people.