Bulgaria is the answer you're looking for.
A
It’s the most straightforward so that is probably the answer. I can’t see how you could get a more accurate answer other than literally timing each board
B)The rate at which changes occur in a type of molecule
Answer:
D. amphetamines became available from illegal laboratories rather than legitimate pharmacies
Explanation:
Due to the amendments to federal drug laws known as Drug Abuse Control Amendment of 1965, amphetamine became available from illegal laboratories rather than legitimate pharmacies. Prior to the amendment drugs like barbiturate, amphetamine and lysergic acid diethylamide (LSD) could easy be gotten from pharmacies but the amendment restricted the availability of such drugs. The amendment was as a result of increase in drug abuse among the American population.