In the book "Things Fall Apart" by Chenua Achebe. Cowries, the shell of a type of mollusk, are the primary currency in many of the african villages. historical the shell have been found across subsaharan Africa where they were obtained through trade with travelers from farther east along the coast and possibly asia.
<span>Any Institutional Review Board (IRB) member who may have a potential conflict of interest with a study under review should make that conflict known to the IRB and, if necessary, recuse him or herself from participating in the review.</span>
A system of government<span> in which political authority is held by the people. ... in this system of </span>government<span>, the prime minister and other officials appointed from the parliament make up the </span>executive<span>. </span>Presidential<span> system. The </span>executive<span> branch is headed by a </span>president<span> who is </span>chosen<span> independently of the legislature.</span>