21.   Others suggest that the organization could move more aggressively into controlling the spread of nuclear weapons or intervening in human rights disputes before they become new ethnic wars.

22.   Outdated missing persons reports are, of course, just one example of the difficulty of controlling the spread of misinformation on the Internet.

23.   Scientists Ron Jackson and Ian Ramshaw were seeking ways to control the spread of mice, a major pest in Australia.

24.   Separately, the United States and Russia issued a joint statement saying they are dedicated to finding new ways to cooperate on controlling the spread of missiles.

25.   Several official delegations to the United States have been canceled and talks with the United States over controlling the spread of missile technology postponed.

26.   The goal is to control the spread of the disease and find better cures.

27.   The government has long tried to control the spread of encryption hardware and software.

28.   The question is, how much can you control the spread of the edge city?

29.   They reached a sensible balance that controls the spread of sex shops while still respecting freedom of expression.

30.   Thus far most efforts to control the spread of E. coli have focused on improving safety in slaughtering and food-handling practices.