Why the Africans are responsible for the success of the trans-atlantix slave trade?​

b, public works good luck

the answer in this question is b.(1) create a clear chain of command; (2) limit independence of lower-level workers.  the numbered pair of phrases that best completes the tables as it relates to the united states federal bureaucracy was (1) create a clear chain of command; (2) limit independence of lower-level workers.

it's d. i hope this .