Which statement gives the best strategy for determining theme? Look for important facts in a text. Try to figure out what the text is mainly about. Summarize or retell the story using the most important key events. Connect ideas in the text to your own experiences.

Try to figure out what the text is mainly about.

Explanation:

A theme refers to the main idea of a text, or the underlying message that this conveys. Sometimes, a theme might be very obvious. However, at other times, the theme is only referred to indirectly. Therefore, we need to look at elements such as language, literary devices, characterization or plot in order to figure out what the theme is. One way to do so is to try to figure out what the text is mainly about, or what the main message it conveys is.

you can infer that to folke dude was spying for allied nations