What type of UML Diagram am I need to use in such case?

Order and time are best seen in an Sequence diagram . Also the communication between the different parts (source, queues) and parameters will be visible.

Sequence Diagrams are a good choice but they have limitations when used for interactions with a large number of steps. They excel at describing the steps to a single operation, such that the actors are related to the behavior required. I try not to left any single sequence diagram take up more than one page.

If I need more, I break it up into two serarate diagrams because I'm usually wasting whitespace due to the calling depth and the interacting quickly becomes harder to understand instead of easier.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.