Which are examples of new security measures that were established after September 11, 2001? Check all that apply.
2 answers:
Answer:
A b c
Explanation:
I took the exam
Answer: the correct answer is A, C, D
a) people who cross the border into the United States must show passports
c) people who fly on airplanes must go through tougher screening measures
d) people who attend sporting events may face greater restrictions upon entry
Explanation:
i also took the test and I think the person above me just had a typo
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