By Janet O'Conor Camarata   Between 1900 and 1915, 3 million Italians immigrated to America becoming the largest nationality of “new immigrants” during the late 19th and early 20th century. They were mostly artisans and peasants. Many were unable to read, write or speak English and were listed as “laborers” on passenger lists. The migration included representatives of all the regions of Italy, primarily from the Mezzogiorno region of Italy-- southern Italy including the “boot” of Italy and the Islands of Sicily and Sardinia. Alfonso and Antonina (Pastorello) Aronica with their children and grandchild are one such family. Santa Caterina Villarmosa, Caltinasetta Province, Sicily, Italy, 1920 The Aronicas are an example of “chain migration,” a simple concept where early immigrants are known to be more likely to move to a new country or community if people they know already live there. And in turn with each new immigrant, they also are more likely to move where people they now...