Thanks to the so-called "Family Pacts" of the Bourbon monarchs, who reigned in France, Spain, Italy and various American territories, including the extensive province of French Louisiana, then administered by King Charles III, the first could be managed. help to achieve the birth of the US and for this a key man was Luis de Unzaga y Amézaga 'le Conciliateur', of a Basque father, Italian mother but married to the French-American Elizabeth de Saint Maxent, who helped him create the world's first public bilingual education system in New Orleans. Luis de Unzaga between 1769 and 1776, with the help of a network of secret agents, had allowed free trade on the Mississippi and its tributary Ohio, which in April 1776 began secret aid to the American colonists with the provision of tons of gunpowder, flour and medicines.