Article 8th: The Navigation of the river Mississippi, from its source to the Ocean, shall forever remain free and open to the Subjects of Great Britain and the Citizens of the United States.

–from the Treaty of Paris, 1783

Which statement makes a logical inference about how Britain interpreted this passage?

Britain feared the United States was already limiting its access to the river.
Britain thought international trade would be open to all nations on the river.
Britain intended to take control of the river away from the Americans entirely.
Britain believed it should possess exclusive rights to trade with the US on the river.