Complex sentence: Kline's artistic training focused on traditional illustrating and drafting, so during the late 1930s and early 1940s Kline worked figuratively, painting landscapes and cityscapes in addition to commissioned portraits and murals.
Split into simpler sentences: Kline's artistic training focused on traditional illustrating and drafting. During the late 1930s and early 1940s Kline worked figuratively, painting landscapes and cityscapes in addition to commissioned portraits and murals.