Pls help asap no links Which of the following factors would fuel the creation of more nation-states?

Assimilation
Self-determination
Increasing federalism
Empire building
The collapse of a multination state

All these are types of metaphors, which is a figurative language that describes an object or action in a way that isn't literally true, but helps explain the idea or make a comparison.  

A metaphor says one thing is another thing, it equates these two things in order to compare or make a symbolism.

All of these excerpts create a poetic tone and a colourful mood.