They indicate that Nixon was overly focused on winning a second term and willing to do anything to secure victory.
Structure .. that is the correct answer
The inference is that the difference is while foreign workers are discouraged from working, those who come from the United States are welcomed.
<h3>What is an inference?</h3>
An inference simply means the conclusion that can be deduce based on the information given in a literary work.
In this case, the inference is that the difference is while foreign workers are discouraged from working, those who come from the United States are welcomed.
Learn more about inference on:
brainly.com/question/25280941
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The answer is C. Hope it helps! :)