Complex sentence: White Castle was founded in March 1921 in Wichita, Kansas by Billy Ingram and his business partner, the cook Walter Anderson, and they opened a second restaurant in Kansas City in 1924.
Split into simpler sentences: White Castle was founded in March 1921 in Wichita, Kansas by Billy Ingram and his business partner, the cook Walter Anderson. They opened a second restaurant in Kansas City in 1924.