Answer:
d. USA Patriotic Act of 2001
Step-by-step explanation:
The full title of the USA Patriotic Act 2001 is Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism (USA PATRIOT) Act of 2001. This Act gives unprecedented power to FBI to track and examine telephone call records without taking any court order. The telephone companies are obliged to provide access to all call details.