Choose the part of the sentence that contains the independent clause

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Based on the text and the map, which labeled location sends products to shihr? the travels of marco polo and study the map.

The students who were in favor of adopting the new curriculum wrote editorials for their local newspaper which of these best describes how the information in the editoralw is different from the information in the feature story