What exists before an empire? how is that similar to the exposition of a story?

Exposition sets the ground for what is going to happen. It gives us background information about the people, territories, events and it slowly leads us into the story. Similar to this, before the empire, we have a central state that is gaining power due to historical circumstances. We can see the events taking place that will eventually lead to the rise of an empire.

1) union forces launched a surprise attack.

2) more confederate troops arrived by train.

3) union forces retreated.

it is relaxation hope this