U need to show the map to get an answer
I believe the correct answer is D
The correct answer is A. Salt mines in the Sahara desert
Salt was extremely important at that time and was even used as currency often because it was expensive.
The constitution explicitly assigns the president the power to sign or veto legislation, command the armed forces, ask for the written opinion of their cabinet, convene or adjourn congress, grant reprieves and pardons, and receive ambassadors.
The major function of the Grand Canal have during the Song Dynasty is the easier and cheaper transportation of rice. Thus, the correct option is C). Easier and cheaper transportation of rice.
<h3>What is the Grand Canal?</h3>
The Grand Canal is famous worldwide canal, which was built by the laborers and also connected the Yellow River in the north with the Yangtze River in the south. It played a huge role in reunifying north and south China.
Canal is a great means of commerce and transportation between North China and Southern China. It made it much easier to transport grain from the south to the centers of political and military power in north China.
The Grand Canal was built during the period of the Song dynasty that connected the south and north Chinese territory. This canal enabled a much faster resupply of the capital in the north.
Learn more about Grand Canal here:-
brainly.com/question/15171254
#SPJ1