To improve the navigability and to provide for the flood control of the Tennessee River; to provide for reforestation and the proper use of marginal lands in the Tennessee Valley; to provide for the agricultural and industrial development
The correct answer is: " a small factory with unsafe working conditions"
Sweatshop is a term used to define a working place where people are forced to work under conditions which are considered unacceptable from a social viewpoint. Such work might be either dangerous, difficult, underpaid or done under extreme climatological conditions, for example. Workers might be working long hours for little money inside, or even children can be employed.
The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.