The original purpose was to protect pilgrims from danger.
I believe the correct answer is D.
<span>The development of vaccines was presented as an important revolution in pharmacology for many reasons. The development of both vaccines and antibiotics helped control major communicable diseases, the development of psychopharmacology and psychoactive drugs were used to treat mental illness, and the development of the oral contraceptive as a pharmacological approach were used in family planning.</span>
Answer:
d
Explanation:
I read about this recently
The correct answer is The Xia dynasty!
Your welcome
