In this excerpt, Justice Harlan is warning against---

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1 point
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a civil service based on patraonage rather than merit
allowing powerful monopolies to dominate interstate commerce
a lack of federal funding for essential transportation systems
allowing labor unions to interfere with production goals

a civil service based on patronage rather than merit.

In the provided options, Justice Harlan is warning against a civil service based on patronage rather than merit.

To determine the correct answer, we will first need to understand the context of the excerpt that mentions Justice Harlan. Once we have the context, we can analyze the provided options and select the one that aligns with Justice Harlan's warning.

Please provide the excerpt or any additional information that mentions Justice Harlan so that we can proceed with finding the correct answer.