3. what did the treaty thomas pinckney negotiated with spain guarantee?
a it guaranteed americans free shipping rights on the mississippi river.
ob it guaranteed that the americans would repay prewar debts to the
spanish
o
c
it guaranteed the spanish would give up their forts on american soil.
od it guaranteed that americans would remain neutral toward europe.

urbanities in the northeast and midwest lost political power.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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charles lindbergh hope this