I believe it is 4 because when you look up civic participation it says when a civilian participates in the government
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.
Answer: The answer should be A- Increased jobs and lower prices.
Explanation:
Answer:
Many Americans had more money and more leisure time.
Explanation:
During the period of 1920s, which was widely referred to as Jazz Age. This period in America was characterized by the economic boom which led to a better standard of living among the citizens and consequently the produces seek to meet the increased demands of consumers in terms products and services that they were considered as want rather than need.
Hence, it can be concluded that the cause of consumerism in the 1920s, was as a result of "Many Americans had more money and more leisure time."
The basic principals of Uniformitarianism were enough to give geologists a sequencial history of the earth but absolute dating using isotope data from igneous rocks gathered using several different techniques (strontium/rubidium, parent/daughter isotope decay rates) and with the combination of these two geologists were able to develop the geological time scale.
