Why would people needing them be a reason not to impose greater controls?

They said limited water supplies, in any case, would impose controls.

They said that until now, no state had imposed controls on such fine particles.

We must reconcile a need to impose control with democratic requirements.

But that is no reason not to impose controls over the watershed.

It could also be used to impose controls on borrowing.

He also imposed stiff controls to cut costs and improve the quality of care.

Both impose strict control of finances, but keep their hands off operations.

Congress is close to imposing modest controls on prices for cable television.

Conservatives have complained that it imposes federal control on state schools.