Mezue ahịrịokwu na-esonụ: N'afọ 1801, Yusuf rịọrọ onyeisi ala United States, bụ́ Thomas Jefferson, ka o nye ya $225,000 dị ka ụtụ. Jefferson, nwere ntụkwasị obi na ikike nke United States Navy ọhụrụ iji chebe ụgbọ mmiri America, jụrụ ihe ndị Pasha chọrọ, na-eduga Pasha ikwupụta agha na-abụghị nke gọọmentị, na Mee 1801, site na igbutu ọkọlọtọ ọkọlọtọ n'ihu ndị American consulate. Jefferson zaghachiri site n'inye iwu ka usuu ndị agha mmiri nke United States banye n'Oké Osimiri Mediterenian, jiri ihe ịga nke ọma gbochie ọdụ ụgbọ mmiri nke Tripolitania na 1803. Mgbe ụfọdụ ihe ịga nke ọma ndị agha mbụ, nke kachasị dị na njide nke USS Philadelphia, pasha n'oge na-adịghị anya chọtara onwe ya na-eyi egwu nke mbuso agha nke ndị agha ala America na-esote ndị agha.
Agha Derna na iweghachite nwanne ya nwoke a chụpụrụ n'ọchịchị, Hamet Karamanli, onye onye agha ndị agha America bụ William Eaton goro ọrụ. O bịanyere aka n'akwụkwọ nkwekọrịta nke kwụsịrị agha ahụ na June 10, 1805.