What are the aztecs and what did they do

The Aztecs were a Mesoamerican culture that florished in central Mexico in the post classic period from 1300 to 1521.

They are known/famous for their agriculture, cultivating all land available,introducing irrigation ,draining swamps,and creating artificial islands in the lake. They developed a form of hieroglyphic writing,a complex calender system,and built famous pyramids and temples

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.