21.   Montenegro said school districts have entered an era of greater collaboration between corporations and schools.

22.   Now, however, Qurei has entered another era.

23.   Tektronix said last summer that it had entered an era of sustained sales increases.

24.   The country has entered the era of the concept-baguette.

25.   The NCAA will collapse and we will enter an era of college sports deregulation.

26.   The new spate of improved economic figures certainly does not indicate that the city is entering an era of robust expansion.

27.   The two generations of Coles are entering an era guaranteed to be emotionally combustible.

28.   There is a general sense that not much is at stake in this election, and that we have entered an era of good feelings and tiny differences.

29.   This time, however, investors are beginning to embrace the notion that the economy has entered an era of strong growth accompanied by little inflation.

30.   Tooling up to produce exports such as these leads to the two main obstacles faced by Argentina as it enters the era of Mercosur.