Answer: Louisiana
Explanation:
The Treaty of Fontainebleau was a secret agreement of 1762 in which France ceded Louisiana to Spain. The treaty followed the last battle in the French and Indian War in North America, the Battle of Signal Hill in September 1762, which confirmed British control of Canada.
I'd say its A, because after wars things start to decline.
I hope this is right and helped you out.
Climate should be a good factor
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