"why, in 1179, did the cathedral school of notre-dame in paris start admitting nonclerical students? "

The correct answer to this open question is the following.

In 1179, the cathedral school of Notre-Dame in Paris started admitting nonclerical students because a papal decree ordered their admittance.

The monastic schools were the first kind of education centers created to teach and train catholic priests in Europe, during the Middle Ages. In these schools, like the cathedral school of Notre-Dame in Paris, monks studied the Bible and Theology. With the approval of the pope, many new nonclerical students attended this school due to the excellent education that was imparted.

what are local authorities doing to fix the problem

explanation:

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.