D is the answer and is why it is forced to us an idea of loans to go to college and get a degree
<span>The largest group of non-willing immigrants to America were taken from "Africa," since it was Africans who worked in the fields in the American South (which was the area that contained the most slaves). </span>
To combat the threat of tropical diseases such as malaria and yellow fever, the United States decided to use new measures to eradicate the disease before the construction of the Panama Canal. Under the leadership of Colonel William Crawford Gorgas, many changes were made. When it was discovered that mosquitoes were the source of the disease, Gorgas who was appointed as the head of hospital and sanitation, he made sure that containers with stagnant water were removed because mosquitoes lay their eggs there. He also built domestic water systems to eliminate the need to collect rain water. Prophylactic Quinine was supplied to the people in the area and fumigation and oiling of streams were launched. Those who were sick were quarantined and workers would sleep in screened structures so that mosquitoes would not be able to bite them. These programs resulted in the successful elimination of tropical diseases in the area and the health of workers improved.
The correct answer is "<span>fuller air strike".
An Airstrike </span>is a hostile activity did by assault airplane. Air strikes are normally conveyed from airplane, for example, warriors, planes, ground assault flying machine, and assault helicopters. The official definition incorporates a wide range of targets, including foe air targets, yet in mainstream utilization the term is generally limited to a strategic assault on a ground or maritime goal. Weapons utilized as a part of an air strike can run from air ship gun and assault rifle projectiles, air-propelled rockets and journey rockets, to different sorts of bombs, coast bombs and even coordinated vitality weapons, for example, lasers.
