Their lack of an industrial revolution made them unable to procure all the items they needed by themselves.
C. Bone is a dry non-living supporting structure
"<span>D. He was the first black man to be named a cabinet secretary" is not an accurate description of Benjamin Banneker. Banneker was an impressive and self-taught individual who corresponded with Jefferson and was fascinated with the world around him</span>
The organization was League of Nations
Possible sickness. And multiple death situations.