21.   Plain, simple, human contact appears to be the primary motivation for joining.

22.   Sources said, however, that the draft choices would be the primary motivation for making the trade.

23.   Still, she insists her primary motivation was more humanitarian.

24.   Still, her primary motivation remains just putting words on paper.

25.   The authorities investigating the Oklahoma bombing have said they believe that anger over the Waco raid may have been a primary motivation for the Oklahoma City bombing.

26.   The companies said that geographic balance around the globe was the primary motivation for the merger.

27.   Their primary motivation is to gain specific skills that will earn them a job in a short period of time.

28.   The world is not a pretty place to a new era of rock acts that use anger as their primary motivation.

29.   They realized first that the primary motivation of gun owners is to protect the family.

30.   This is the challenge of sustainable growth, and to meet it, the primary motivation for any company must be improved business performance.