20.) Worker unions where created to combat worker exploitation?
True
False

True for sure.

I had learned this thing this year

Labour unions were created in order to help the workers with work-related difficulties such as low pay, unsafe or unsanitary working conditions, long hours of work, and other situations. Sometimes the unions organized strikes in order to try to change the conditions of the workers.

True

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.