1.   Anti-abortionists have launched a vigorous campaign to reinforce the constitutional ban on abortion.

2.   Buchanan, by contrast, has waged a vigorous Arizona campaign, wooing voters with his anti-immigrant, anti-corporate and anti-Washington themes.

3.   He is seen as having run a vigorous campaign, despite a lack of resources.

4.   The council has waged a vigorous campaign against the proposal.

5.   Environmentalists have begun a vigorous campaign to oppose nuclear dumping in the area.

6.   ...a vigorous campaign against GM food.

7.   In recent years many governments have mounted vigorous campaigns against drinking and driving.

8.   The council is continuing a vigorous campaign against nuclear dumping in the area.

9.   Permission for the development was granted in the teeth of opposition from a vigorous local campaign.