Even during this unusual alliance, the faction leaders were wise enough not to mix their men.

Limited, moderate voucher plans have shown they can build powerful and unusual alliances.

And though the political battle is only now warming up, unusual alliances are being struck.

Consequently, an unusual alliance of manufacturers and environmental groups has formed to tackle the problem.

The issue of domestic violence has created some unusual political alliances.

Support for the licensing has brought together an unusual alliance of public officials.

An unusual alliance of corporate, consumer and environmental groups - often adversaries - opposed the deal.

So, for the time being, the center finds itself in an unusual alliance with the tobacco industry.

So far, the jockeying among the giant Internet companies has created a series of unusual alliances.

That arrangement would have added an even more unusual alliance.