I DID THIS BEFORE I REMEMBER THE ANSWER its D. Bc while I was reading my online book I found the answers it's a or d so I hope that your right if not then a will be a
Well there is only one amswer that makes sense and its D due to the fact that if you have a little bit of something and it takes a long time to get it your going to sell it thats the smart move.
The rise of power can cause problems if ghana rises so they would cause a war if umayyad did they would cause a system mathematical droubt but if this isn't the answer and this is a multiple choice answers please post them