"In a distributed system, there is a high level of cooperation and sharing of actions and data maintained by the sites when determining which process should be loaded and where it should be run; this is accomplished by ."

Exchanging the messages between site operating systems

Explanation:

 The distributed system is one of the type of computing system in which the various types of multiple elements are basically located on the machines that are specifically used for the communication purpose and this distributed system is basically appear to the user in the form of single system.

According to the given question, the given process is basically accomplished by exchanging the different types of messages between the site OS (Operating system).

 In the given distributed system, the data and the cooperation action is highly maintain by the sites while determining the loaded process. Therefore, The given answer is correct.  

so they can see what that city is producing and to also see if they can some how get that product. like gold in africa.

our agriculture industry and our business industry