Which phrase correctly describes the use of a native north american plant product to treat a disease introduced to north america from africa and europe?
a) coca cured measles
b) coca cured smallpox
c) quinine cured malaria
d) quinine cured syphilis

Explanation:

Quinine was used to treat malaria until 1940's. It was prepared from the bark extracts of Cinchona tree. The first antimalarial compound from its bark was isolated in 1800s. This tree is native to Peru and there is ample evidence which proves that it has been used to treat malaria since 1600s. Quinine was in widespread use until 1940's when new drugs with lesser side effects replaced it.

if you could provide the poem below, i'd be happy to you!

explanation:

you didn't give us the poem, or the title of the poem. but it is essential for you to give us that, otherwise we can not detect when the poem has a tonal shift!

the answer is c, all the other options are things they are known for.

hope this ☺️