Discuss and application that requires an unordered collection of elements. Indicate whether and set or bag would be the appropriate data structure. Then decide what implementation was be most beneficial, an array list or a linked list. Decide whether that list should be sorted or unsorted. Explain your reasoning at each step.

What need most led to the creation of the advanced research projects agency network? darpa wanted scientists to be able to collaborate and share research easily. darpa wanted american and russian politicians to be able to communicate. darpa wanted astronauts to be able to contact nasa and the white house. darpa wanted factory owners to be able to coordinate supply chains.