Answer:
Roughly 40 percent of Americans lived in cities, and the number was climbing. These large city populations caused crime rates to rise, and disease to spread rapidly. As a result of unsanitary living conditions, diseases such as cholera, dysentery, and typhoid fever struck urban areas with increasing frequency.
The answer that your looking for is c. "aquaculture." I hope this proves helpfull!
She has to prove she’s a citizen do some test on American history get a job pay her taxes and what not.