David’s job requires him to lift heavy objects all day. He starts suffering from severe back pain that does not subside. David’s doctor informs him that he had torn some muscles in his back. Which condition explains David’s symptoms? A. spasm B. strain C. sprain D. atrophy

Why were the actions of native americans so varied in response to relocation? a. the tribes were very diverse and had different beliefs. b. they were exhausting every avenue. c. they all wanted to get the best financial arrangements. d. many of the tribes wanted ownership of the area.