sentences:  Sheep were washed before shearing to prevent the theft of wool, and storage areas were kept locked and keys left with trusted individuals.In 1792, Washington ordered the culling of slaves' dogs he believed were being used in a spate of livestock theft and ruled that slaves who kept dogs without authorization were to be "severely punished" and their dogs hanged.Another means by which slaves resisted, one that was virtually impossible to prove, was feigning illness.