<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:
a
Explanation:
I'm not positive here but I believe it's a
Sovereign is a powerful leader or authority that sets up courts.
Answer: I think its speaker B im sorry if i'm wrong.
Explanation: Hope this helps plz mark brainliest.
The Legislative Branch
Hope that's the correct one :)
