Which statement best summarizes the effect diseases had on the spanish-american war?

More American soldiers were killed by diseases such as yellow fever and malaria than were killed in battle.

Explanation:

According to a different source, these are the options that come with this question:

When soldiers are fighting abroad, one of the main dangers that they face is the risk of contracting diseases. There are several reasons for this. Soldiers usually lack immunity or resistance to diseases that are only common abroad. Moreover, they tend to live in very large groups and with very unhygienic conditions. Finally, their immune system tends to be compromised due to malnutrition and exhaustion. This was a serious problem during the Spanish-American War, as more American soldiers were killed by diseases such as yellow fever and malaria than were killed in battle.

b

explanation:

fairly positive it is 4