Is the word once an adjective or an adverb?

Which example from lorraine hansberry's a raisin in the sun demonstrates the idea of self-determination?

Read the excerpt from "death by black hole."albert einstein's general theory of relativity, published in 1916, provides the insight to understand the bizarre structureof space and time in a high-gravity environment. later research by the american physicist john a. wheeler, and others, to formulate a vocabulary as well as the mathematical tools to describe and predict what a black hole will do toits surroundings.read the excerpt from "man listening to disc."and i bow deeply to thelonious monkfor figuring out a wayto motorize or whatever-his huge pianoso he could be with us today.these excerpts are similar because both texts

In the excerpt from the emancipation proclamation, which phrase or sentence supports the claim that president lincoln did not want the slaves to take up arms against their former masters?