"A director will sometimes divide a script into units that begin whenever a character enters or exits and continues until the next entrance or exit. What is this unit called?"

French Scene

Explanation: In a French scene, the entrance or exit of a character divides the beginning and the end of the scene.

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!