They require all parties to cooperate with the international investigation and prosecution of war crimes.

I stood up and said we had provided the necessary drawings and every party should cooperate.

The parties usually cooperate well on the local levels.

The three parties do not cooperate with each other and frequently publish articles against one another.

The national conference of 1930 decided that the party should openly cooperate with the government.

After the meeting it was stated that all parties involved were cooperating over the matter.

The two parties cooperated closely on the political level as well.

If either party does not cooperate, the money will be tied up in litigation by the judge.

Perhaps all the interested parties will cooperate and we shall indeed get a result.

In some instances, multiple parties cooperate to change an identity.