The united states stockpiled more than 10,000 weapons by 1971. when did the soviet union reach the same number of nuclear weapons?

1990.

Explanation:

While the United States had been increasingly stockpiling nuclear weapons since 1945, the Soviet Union only started the same process around 1965, and even strongly since 1975. Only by 1990, did the soviet union reach the 10,000 weapons mark that the US had already achieved in 1971. By the mid-1990s, both countries had begun to descend their stockpiles of strategic nuclear weapons.

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.