Answer:
III. The Black Death, 1338-1353
Explanation:
The Black Death is estimated to have killed 30% to 60% of Europe's population.[7] In total, the plague may have reduced the world population from an estimated 475 million to 350–375 million in the 14th century.[8] It took 200 years for the world population to recover to its previous level.[9] The plague recurred as outbreaks in Europe until the 19th century.
https://en.wikipedia.org/wiki/Black_Death
Answer:
During the Rebuilding of the Old Order, the president and Congress disagreed over how the south should be rebuilt and how the Confederacy should rejoin the Union. The rebuilding was a crucial step in African-American civil rights struggle, and the Freedman's Bureau distributed clothes, food, and fuel throughout the South while also establishing schools and hospitals for African Americans.
After the downfall of the Mycenaeans, the writing system of Greek died. The lack of writing is why this is called the Dark Ages.
It can be used by to see how well people work together solving problems and discussing certain things as well as it identifying states that may need help such as problem identification and solution generation.