Question

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Explanation:

Identify the historical context of the Secure Fence Act of 2006

The Secure Fence Act of 2006 authorized the construction of hundreds of miles of double-layered fencing along the US-Mexico border, along with increased surveillance technology.

Analyze the historical consensus on its effectiveness

Studies and historical analyses show that while the fencing diverted migration routes to more remote and dangerous desert areas, it had very little overall effect on reducing the total number of undocumented immigrants crossing the border.

Evaluate the given multiple-choice options

• Option A is incorrect because it did not have a "great effect" on reducing overall crossings.
• Option B is incorrect because it did not double the number of crossings.
• Option C is correct because empirical evidence indicates the act had little overall effect on the total number of undocumented crossings.
• Option D is incorrect because it did not completely stop crossings.

Answer:

• A. The Secure Fence Act had a great effect on reducing the number of undocumented immigrants crossing the border.
• B. The Secure Fence Act doubled the number of undocumented immigrants crossing the border.
• C. The Secure Fence Act had little effect on the number of undocumented immigrants crossing the border. (Correct answer)
• D. The Secure Fence Act completely stopped undocumented immigrants from crossing the border.