Anything about incense and spice trade route​

The incense trade route was an ancient network of major land and sea trading routes linking the Mediterranean world with eastern and southern sources of incense, spices and other luxury goods, stretching from Mediterranean ports across the Levant and Egypt through Northeastern Africa and Arabia to India and beyond.The principal and most profitable goods they traded in were spices - giving the routes their name. As early as 2000 BC, spices such as cinnamon from Sri Lanka and cassia from China found their way along the Spice Routes to the Middle East.Enter the incense route, a path spanning more than 1,200 miles and used by traders to carry frankincense and myrrh from Yemen and Oman, through the Negev desert, to the Mediterranean port in Gaza. ... From there, the boats would covertly sail up the Red Sea and deliver the incense to Egyptian ports

the answer might be either a or c. can't be too sure , because i searched the web, but no valid answers came through.

answer; nonpartisan election;