Answer: The way that goods were distributed throughout Africa was by trade. At first they traded by using camels but since this could not handle humid forest zones a trade point was created known as the Sahel. Then trading cities were developed and this way they created a way to distribute goods throughout Africa. I believe that the best answer is Cities were established that served as distribution centers. Hope this helps
It could only happen if a Constitutional Convention was called with all 50 states agreeing to over-rule the Supreme Court. Which has never happen in the history of USA.