This was the flag of his supposed clients who were still fighting the Spanish in their war for independence at the time. The United States, which had plans to annex the peninsula, sent a naval force which captured Amelia Island on December 23, 1817.
This was the banner of his supposed allies who were still waging war against Spain in their bid for autonomy at the time. The United States, which had aspirations to unify the peninsula, dispatched a naval force that conquered Amelia Island on December 23, 1817.