21.   They might not have been Cowboys fans when they got here, but having someone from this area playing for Dallas might cause a shift in allegiance.

22.   Two factors have converged to cause the shift in investor sentiment, said A. Michael Lipper, president of Lipper Analytical Services.

23.   Whatever the causes, the conflict of rising consumer expectations and increasing system crashes are likely to cause a shift in the way Internet services are marketed.

24.   Already, a surge in domestic interest rates has caused a shift of funds to fixed-income instruments from stocks.

25.   Global warming may also cause major shifts in crop growth, and may provoke storms and other unusual weather patterns.

26.   Lower rates may cause a shift in funds from fixed-income bonds to other types of investments such as stocks.

27.   Thailand previously was a significant timber user, but intensive deforestation caused a shift to concrete and steel products.

28.   They could cause a shift of a seat or two in the parliamentary alignment.