It is the dominant (or majority) political party in Alabama.
Can one point to many dominant parties that so opened their nation to pluralism?
Convergence and Union has been described as being "long the region's dominant political party".
Today they are the dominant party of the state.
It has been the dominant party in Samoan politics since 1982.
He is probably where Republicans need to go to be the dominant party in the future.
In addition to the previous dominant parties, several others are formed.
But the dominant party's tent was not big enough for everyone.
Only a dominant party would dare do a thing like that.
Quite often there is no single dominant party, so coalitions are formed.