What type of phrase is people who supported freedom from England? Appositive Fragment Participial Prepositional

Fragment.

Explanation:

A Fragment phrase can be defined as a sentence that resembles a sentence but lacks delivering a complete idea. This sentence serves as a dependent clause in a sentence.

The given sentence is an example of a fragment phrase or sentence. Though the phrase appears to be a sentence but it lacks complete idea because we don't know about which 'people' is it talking about.

So, the correct answer is fragment.