Gave access to the Mississippi River and the New Orleans Port.
Jay's Treaty opened trade between Great Britain and the US in addition to settling some of the issues still remaining from the Revolutionary War. The French saw this as an insult to the trade treaty created between the US and themselves. This treaty opened more trade for the US merchants but also started a war with France.
Pinckney's Treaty however was a favorable treaty for the US and was highly praised. The treaty allowed the US to use the Mississippi River and the port of New Orleans held by Spain at the time. This treaty would give the US a reason to approach France when they regain the Louisiana territory. When France and the US worked to negotiate the access rights, the US was provided the opportunity to purchase the whole territory from France. The Louisiana Purchase would be the ultimate end to the US working to have access to the Mississippi and New Orleans.
