which theme best describes the text? History and evidence of things past can be interesting to study. History and evidence of things past can be interesting to study. Traveling to other places can be an exciting experience. Traveling to other places can be an exciting experience. Hard work and belief in oneself can be rewarding. Hard work and belief in oneself can be rewarding. Ordinary people can be heroes.

This question is incomplete as you have not provided the text it refers to. Anyway, I will give you an explanation so that you can identify the answer for yourself.

Explanation:

 In literature, the theme is the main idea that the literary work wants to convey. The theme include universal topics like love, hate, war, etc.

It is what you want to convey with the story told or what the author thinks about something that has always concerned all of humanity summarized in a few words or in a short sentence.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."