An action taken for the attention, entertainment, enlightenment, or involvement of someone else is called

Performance.

Explanation:

Performance is an act of showing or presenting an act in front of an audience for the purpose of entertainment, attention, or maybe even enlightenment or getting the audience involved. This theatrical accomplishment of any given task provides others with a presentation of any work of art to an audience.

In terms of theater, performance is a way of representing or expressing themes of ideas to a literal act, thereby giving "image" to the works of art that were put in words.  

when the united states took over

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;