2. Which of the following happened first? a. the Neolithic Era
c. the Paleolithic Era
b. the lce Age
d. the Mesolithie Era

C. Paleolithic Era, B. Ice Age, D. Mesolithic Era, A. Neolithic Era (C,B,D,A)

Explanation:

Mesolithic Era (10,000 BCE - 8,000 BCE) < middle stone age

Ice Age (2.4mil years ago - 11,500 years ago)

Paleolithic Era (2.58mil years ago - 11,700 years ago) < old stone age

Neolithic Era (12,000 years ago - 3500 BCE) < new stone age

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.

i am sure the answer is d