Answer:
The founding fathers saw how Europe operated and they did not want that for america. Thats why the constitution took so long to be made because they did not want what happened in europe to happen in the US.
Explanation:
It might have been that once the Earth started to warm, some animals weren't able to adapt. Or possibly because new needs had to be met, so they found new animals to domesticate that could help with the new situation.
Answer:
Could we get a more specific question? That would be appreciated :D
He didn't like all the different currency's from different states