All of this is going to require very close cooperation with the Congress.

That requires strong cooperation between the police and medical workers.

"If you wish her to stay that way, I require your full cooperation."

This is a difficult problem that requires cooperation at European level.

Even more so than half a century ago, stable growth requires international cooperation, which was not present last time.

They require close cooperation between a bank and a developer.

The plan would have required cooperation from the surrounding communities.

For one thing, the terms of his plea may not require cooperation.

It would also require cooperation by the government and transportation companies.

This requires cooperation between the public and the private sector.