What advantage did the astrolabe give sailors? It allowed them to more accurately measure the depth of the water.
It allowed them to more accurately know their direction.
It allowed them to more accurately know how long they had been at sea.
It allowed them to more accurately measure latitude.

the correct answer is "c: merchants" and "e. soldiers".

the song dynasty was known as the first government in the world to introduce paper currency. it was also the first chinese government which established a permanent standing navy. finally, the first compass was introduced during this period of government.

all of these innovations heavily affected commerce in a positive way. printed money dynamize commerce within the borders of the empire due to an easier way to quantify value during the trade. the introduction of the compass trade routes to be faster. finally, the introduction of a standing navy regulate trade routes.

regarding military affairs, gunpowder was created during this period. this was a tremendous improvement that was widely utilized by the military in order to innovate in the manufacturing of weapons.

religion was the center of there society they practiced human sacrifices and which they believed kept there god strong and that he would keep bad guys away hope this

the correct answer is d) written language.