Answer: This is known as role conflict.
Explanation: A role conflict arises as a result of a disagreement between an individual personal belief as against the statuses they hold. This usually happens in a workplace. For example two superiors at work might give a junior staff an assignment to complete at the same time. This is a conflict in role as the employee will be confused as to who to respond to first.
I would say that the main purpose of the European Union is to strengthen the economy of the member states by merging their economies and by introducing one stronger, common economy - a stronger economy for the states means a better comfort of life in those states.
The first three options I see are all making-decision process to take action, but the last one is the one that is not like that. Researching is something that is not so close in meaning to what you need. That is why, D is a good option.
Supply-side fiscal policy is used with the idea that rich people stimulate job growth by hiring more people. This has proved to be somewhat inaccurate, however.