Complex sentence: In 1902, when about 23, Joe Hill and his brother Paul emigrated to the United States where he became a migrant laborer, moving from New York City to Cleveland, Ohio, and eventually to the west coast.
Split into simpler sentences: In 1902, when about 23, Joe Hill and his brother Paul emigrated to the United States. Hill became a migrant laborer, moving from New York City to Cleveland, Ohio, and eventually to the west coast.