McGonigal chooses to use the words scarcity, famine, and abstain. What do these words have in common, and why might McGonigal have selected them?

The words have a negative meaning in common and the author used these words to trigger a feeling of discomfort and negativity in the reader.

Although you have not presented the text to which this question refers, we can reach the following conclusions, by observing the context of these words:

Thus, we can conclude that when the author used these words in a text, he was describing something negative and wanted to create discomfort for the reader in relation to what was being described in the text.

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i think the anti-race spokesman is working to achieve equality between whites and blacks and to encourage blacks to shakespeare's theory