The American secession occurred in 1765. That was before 1783.
King Georg's War started to wind down with Cornwallis’ surrender in 1781 followed by the British withdrawal from Charleston and Savannah in 1782.
As noted, the negotiated Treaty of Paris occurred in 1783.
Now, ask me how that relates to the price of property suitable for maintaining forts.
Ownership was not agreed to until 1783. You are aware there was a rebellion between those two periods, right?
Now, ask me how that relates to the price of property suitable for maintaining forts.
OK, I'll bite. How does that relate to the price of property suitable for maintaining forts?