Trade with the Arabs did a few things for the African kingdoms. It increased trade, profit, and led to a ruling class.
Hope this Helps! :)
So, when were talking about a market order, we are talking about buying or selling an order to immediately at current market prices. So, we might want to imagine a scenario when the current market prices drop. However, we would always, in any scenario prioritize certainty of execution over the price of execution. The order is filled at the best price available at the relevant time.
The answer you might be looking for is:
The Fourth Estate was made up of peasants and city workers.
Why? The Fourth Estate also had the bourgeoisie, The bourgeoisie were wealthy but unlike the nobility had no inherited titles.
The Shang Dynasty wrote on Oracle Bones. Hope his helps ;)
the answer to this question is c, your welcome ;)