Answer:
yellow fever is caused by a virus that is spread by the Aedes aegypti mosquito. These mosquitoes thrive in and near human habitations where they breed in even the cleanest water. Most cases of yellow fever occur in sub-Saharan Africa and tropical South America.
Explanation:
Lost generation is most likely referring to the young men that served in the military and lost their lives during the war, which left a huge age gap in many populations. The remaining population mostly consisted of women and men that were too old to serve or too young. All fit men between the ages of 18-45 ish were gone.
Sorry, I can’t do the second but here’s the first!!!