Answer:
hello! i see this was back in november, do you still need help with this?
Explanation:
The Song Dynasty was first civilization in the world to use banknotes, aka paper money. They also were the first to use gunpowder, and the first to make a permanent navy. They were also the first to discern the North using a true compass. They had many, many firsts, which helped develop the world into how it is today.
Sorry, that this is only one half of your answer. But, I hope this still helps.
Mahmud ll was the sultan during that time.
D: by trying out policies that might later affect the entire nation
