Answer:
Option A.
Step-by-step explanation:
The boundary between the United States and West Florida, is the correct answer.
Pinckney's Treaty generally recognised as the Treaty of San Lorenzo was approved in on 27th October 1795 in San Lorenzo de El Escorial. This particular treaty built aims of friendship between the U.S. and Spain. This treaty also determined the boundary between the U.S. and Spanish Florida and assured the shipping rights of the United States on the Mississippi River.