91.   They came after Bosnian and Croatian leaders signed a military cooperation agreement that authorized the Croatian army to cross into Bosnia and fight their common enemy, the Serbs.

92.   They have a common enemy in strongman Hun Sen.

93.   This family includes such common viral enemies as the rhinoviruses and enteroviruses.

94.   They share a common enemy in Hun Sen.

95.   What keeps the movement together so far is a common enemy.

96.   We have a common enemy in Saddam.

97.   While we were in St. Petersburg, we had the opportunity to honor the millions of patriotic Russians who died fighting the common enemy.

98.   Working against a common enemy, they are trying to foil American efforts to enforce U.N. trade sanctions on Iraq.

99.   With the common enemy dispatched, Genoa and Pisa soon went repeatedly to war, with the Genoese victorious in the end.

100.   Yet, not everyone agrees, even when it comes to the so-called common enemies.