I feel as if it was a necessary in the building blocks in american history. Without the constitutional convection who knows how we would be governed.
Answer:
Belgium, France, Germany, USA
Explanation:
https://www.history.com/topics/industrial-revolution/industrial-revolution
First,Hiroshima,japan
2, Nagasaki
When he saw people falling, it made him think about the forces of nature and it lead him to his studies.