Aside from battle casualties,what was a constant threat to soldiers?

Disease.

http://www.civilwarhome.com/civilwarmedicine.htm

list three ways governments could pay for the war.

Please see bobpursley's answer to this question.

Aside from battle casualties, one constant threat to soldiers is disease and infections. During wars, soldiers often face poor living conditions, inadequate sanitation, and overcrowding, which can create a breeding ground for illnesses. To understand this better, we can dive into historical records and medical knowledge.

To research this topic further, you can follow these steps:

1. Begin by selecting a specific war or time period you would like to focus on. This will help you gather more relevant and accurate information.

2. Consult historical sources, such as books, articles, or academic journals, that provide insights into the conditions and challenges faced by soldiers during the chosen war. Look for firsthand accounts, military reports, or medical records to get a comprehensive understanding of the situation.

3. Examine the causes and spread of diseases that were prevalent during that time period. For example, diseases like dysentery, typhoid fever, malaria, trench foot, and respiratory infections, were common among soldiers in various wars due to unsanitary living conditions, exposure to the elements, and lack of proper medical facilities.

4. Explore medical advancements and practices during that era. Investigate how medical professionals at the time attempted to mitigate the risks and combat diseases. Some efforts might have included vaccinations, basic hygiene practices, and limited medical treatments.

5. Consider the impact of geographical locations and climates on the health of soldiers. Different regions and climates can pose specific health risks. For instance, soldiers in tropical or subtropical areas may be more susceptible to certain diseases like malaria, while those in cold and damp environments may face challenges related to frostbite or pneumonia.

6. Analyze the statistics and data related to casualties caused by diseases during the war. This information can provide a quantitative perspective on the magnitude of the threat. Government records, military reports, and medical archives might contain relevant figures and data.

By following these steps, you can gain a comprehensive understanding of the constant threat of diseases and infections faced by soldiers, and how they have been historically documented and mitigated.