Answer:
<u>Pro</u>- It supplied an easy access to food, gun ammunition, and a place for soldiers to rest/sleep .
<u>Con</u>- It was very dirty, many fights occurred, many diseases, there was also rats that caused diseases to come, and form.
The event that set off World War I was the assassination of Archduke Franz Ferdinand of the Austro-Hungarian Empire and his wife Sophie by Gavrilo Princip, a Serbian nationalist, on June 28, 1914 in Sarajevo.
Europe came under the rule of one emperor when Charlemagne was crowned.
Usually, the emperor is assassinated.