1806-1810: Spanish Minister Marquis Casa de Yrujo frequently protested American trade with Haiti, which he viewed as a violation of international norms.

1806-1810: Spanish Minister Marquis Casa de Yrujo frequently protested American trade with Haiti, which he viewed as a violation of international norms. Yrujo was particularly alarmed by reports of Haitian aid to the revolutionary expedition of Francisco de Miranda, fearing that the “contagion” of Haitian independence would spread to the Spanish American colonies.