Because shools became way too overpopulated. Some neighbourhood's are bigger then other others thus some schools had a lack of kids and some schools had too many kids.
Answer:
The increased availability of farmland.
A favorable climate.
More livestock.
Improved crop yield.
Explanation:
Maybe include the factors you can choose from.
Most had psychiatric symptoms, these ranged from difficulty sleeping to vivid flashbacks, and are now recognized as Post Traumatic Stress Disorder (PTSD).
