Which interaction is an example of direct cooperation?

  Cooperation is doing something or being with people with mutual interest for some purpose.   Here are some sentences that contain the word cooperation. 
 Cooperation on missile defense, which is essential to the security of both our nations. 
 Six fields were identified as priority areas for bilateral cooperation. 
The Ministers noted progress on the establishment of a framework to strengthen cooperation in the field of agriculture. Hope I helped! :)

Where are the following