21.   But overall, postwar America entered a period of peace and prosperity that largely defined the second half of the century.

22.   But last month, as the White House entered a period of increasing political difficulties over campaign fund-raising, Clinton brought one ministerial friend into the national spotlight.

23.   By all accounts, Major League Baseball will enter a period of chaos.

24.   By all accounts, we are entering a period that will be known mostly for random chaos.

25.   Cambodia has entered a period of stability in recent months and there was no obvious opposition group to blame.

26.   Canadian government bonds rose, outperforming U.S. Treasuries, as the currency strengthened on optimism the economy is entering a period of more robust growth.

27.   Does this mean we are entering a period of slow growth or are on the verge of another recession?

28.   Europe is entering a period of about five to eight years in which vast telecommunications assets, mostly state owned, will be sold to the public.

29.   Every new bit of economic news suggests we have entered a period of sustained prosperity.

30.   Experts say Wall Street may have entered a period of correction.