Reflexology was developed in the 1930's + 1940's and is originated from China.
Th leading case to test police power over drunk drivers is Schmerber v. California
. Option B is correct.
Schmerber v. California, 384 U.S. 757 (1966), was a remarkable United States Supreme Court case in which the Court clarified the application of the Fourth Amendment's protection against searches without justification and the Fifth Amendment right against self-incrimination for searches that intrude into the body.
The answer is A, that would seem like the best answer for this question
I believe they represented urban problems of that time.
I hope this helps you! :)