John F. Kennedy during the space race between the Soviet Union and the US.
This is the occurrence that had happened in order:
- the Big Bang and the universe begins to expand
- elements such as carbon and oxygen first exist
- nuclear fusion begins in the Sun
- earliest life on Earth
- dinosaurs go extinct
- earliest humans
The Agricultural Revolution was a result of increased labor and agricultural productivity. This, in turn, resulted to the increase in output of food supply faster than the increase in population. Since there were more food available, more people chose to live away from farms and do other jobs that contributed the industrial revolution.
Answer: The goal of these leaders in 1815 was to create balance and prevent future wars with Europe (France, Britain, Spain,etc.)