The Treaty of Amity, Commerce, and Navigation, Between His Britannic Majesty and the United States of America, commonly known as the Jay Treaty, and also as Jay's Treaty, was a 1795 treaty between the United States and Great Britain that averted war, resolved issues remaining since the Treaty of Paris of 1783, and facilitated ten years of peaceful trade between the United States and Britain in the midst of the French Revolutionary Wars, which began in 1792. The Treaty was designed by Alexander Hamilton and supported by President George Washington. It angered France and bitterly divided Americans. It inflamed the new growth of two opposing parties in every state, the pro-Treaty Federalists and the anti-Treaty Democratic Republicans.
It would cause the price of gold to increase so that West African kingdoms became even more prosperous. It would decrease the demand for African gold as Europe acquired gold from its American colonies.
RVC lead to the development of classical civilizations because they had water to start the agrarian society. This kind of society is where cultivating the land is the primary source of wealth. Agriculture requires a lot of water and fertile soil. That's why people settled around rivers.