Question

What caused the decline of Americans health?

A.
Farmers became factory workers
B.
People started traveling by train instead of horse
C.
People started exercising more
D.
Both A and B

Answer 1

- Answer - D) Both A and B

There should be no reason that the answer would be C. The answer is A, Farmers became factory workers (Working around smoke and in an un-healthy environment is not healthy) and B, People started traveling by train instead of horse. (Lots of smoke and more pollution)

Best of luck,

- Ari -