What does the speaker’s choice of words such as vowed, settled, avenged, and impunity show about his emotional state?

I don't have any context on how these words are being used, but I can conclude that the speaker chose these words because they help portray the characters determintation during a dilemma.

Explanation:

Vow

VERB

vowed (past tense) · vowed (past participle)

solemnly promise to do a specified thing.

Settle

VERB

settled (past tense) · settled (past participle)

resolve or reach an agreement about (an argument or problem).

Avenge

VERB

avenged (past tense) · avenged (past participle)

inflict harm in return for (an injury or wrong done to oneself or another).

Impunity

NOUN

exemption from punishment or freedom from the injurious consequences of an action.

The Civil Rights Movement

I. Causes

II. Effects

This is an example of an outline that could help develop an essay about the causes and effects of the Civil Rights movement. An outline is a useful strategy to use when writing an essay, as it allows you to easily organize your main ideas into a structure that is logical and interesting for the readers. An outline can help you guide your writing, significantly improving the quality of your essay.