21.   A weakened Bob Dole was the principal target.

22.   It said that businesses, particularly European companies with American competitors, were the principal targets of the alleged electronic snooping ring.

23.   Older elephants have larger tusks of ivory, the principal target of poachers.

24.   Older elephants have larger tusks of ivory, the principal target of poachers, and most family groups are led by aged females.

25.   The principal target of the latest government push to drive out the guerrillas was the border village of Gracane.

26.   The principal target of the latest government push against the rebels was the village of Gracane.

27.   The education system is still suffering the effects of the war in which schools and teachers were among the principal targets.