Why did celestino fabia leave home in scent of apples?

In "Scent of Apples" by Bienvenido N. Santos, Celestino Fabia leaves home to seek better opportunities and provide for his family. He immigrates to the United States in search of a brighter future, driven by the hope of achieving the American dream. His departure is marked by a sense of longing for his homeland and the sacrifices he must make for his family's well-being. Ultimately, his journey reflects the challenges and complexities faced by many immigrants.