The collapse of the rapanui civilization on easter island in the southern pacific is attributed to

The collapse of the Rapa Nui civilization on Easter Island in the southern pacific is attributed to several factors. These factors include human activity, the introduction of the Polynesian rat, and overpopulation. These led to the eventual deforestation as well as extinction of the natural resources in the island which weakened their civilization. 

arresting and exicuting citizens

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.