Which of the following statements is FALSE?
 a
 Mustangers caught and sold horses to cattle ranchers for herding cattle.
 b
 Sheep ranchers competed for land with cattle ranchers and farmers in Texas.
 c
 The Texas cattle industry’s most successful cow town was in Wichita, Kansas.
 d
 In the 1850s, cattle ranchers began to raise herds using Spanish herding techniques.