The effort proved too controversial, however, and was not approved.

The change of orientation proved highly controversial for many members.

Although the war itself was widely popular, the peace terms proved controversial.

The process is likely to take several years and prove highly controversial.

The change in direction of the court proved somewhat controversial.

This project proved highly controversial and would be put on hold for another fifty years.

However, just how the species should be split proved controversial.

Some of the points in it proved controversial when we came to vote on them.

Despite the film's age, it proved too controversial for some American critics.

The work proved controversial with other residents and the local press ran a campaign against the piece over the next two years.