Complex sentence: After the Civil War, Jordan and Marsh expanded into nearby buildings, offering an increasing quantity and variety of goods eventually the partners had established the nation's first departmentalized "store and called it" Jordan Marsh and Company.
Split into simpler sentences: After the Civil War, Jordan and Marsh expanded into nearby buildings, offering an increasing quantity and variety of goods. Eventually the partners had established the nation's first departmentalized "store and called it" Jordan Marsh and Company.