How were the trans-saharan trade routes different from the silk road? o a. merchants on the trans-saharan routes to spread lslam; the silkroad was not influenced by lslamo b. salt was traded on the trans-saharan trade routes; salt was not tradedon the silk road. o c. trans-saharan trade routes were primarily land based, the silk roadwas both land and sea basedo d. trans-saharan routes restricted trade to within africa; the silk roadrestricted trade to areas within asia.