21.  When calamity strikes, his only defense is his own courage.

22.  While lamenting the tightened security, Jewish leaders argue that it is the only defense against a new invisible enemy.

23.  Your only defense against thinkos is a careful read.

24.  A lone watchman was the only defense.

25.  Many refuse to return the weaponry, seeing it as their only defense.

26.  Sometimes, their size is their only defense against the constant bombardment from players, managers and fans.

27.  Since there is no vaccine against swine fever, the only defense against its spread is to destroy all the pigs in the infected area, FAO said.

28.  The only defense on a course with generous fairways was the spacious, sloping greens with Bermuda grain so strong it can give a player fits.

29.  The only defense is to keep out of the sun as much as possible, WMO said.

30.  The state legislature in Kashmir wants the federal government to give wide autonomy to the Kashmir valley, controlling only defense, currency and communications.