What does the preamble states for reasons for presenting the declaration

The preamble states starts with a firm opening statement declaring that all humans regardless of gender, race, orientation, or religion are all part of one, equal family: the human family. It states that the human race is the foundation of freedom, justice, and peace and that all its members have inalienable and equal rights.

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,

she was trying to use   reliable narrator.