A statute imposes stringent new airport and airline security measures only on individuals of one race seeking to board airplanes in the United States. What provides the best ground for challenging the constitutionality of this statute?

• A. The due process clause of the 5th Amendment.
• B. The Equal Protection Clause of the Fourteenth Amendment.
• C. The Commerce Clause.
• D. The Privileges and Immunities Clause.

Answer: (A)