To learn how the past connects to the presents and effects the future
The last one, the lovers find it hard to determine whether they are asleep or awake.
An interactionist would be interested in studying the relationships between employees and the interactions between them.
Based on the situation, that was an example of : Free-Rider problems
Free-rider problems refer to a condition when an individual either consume more than the fair share or pay less than the fair share.
Hope this helps