Which were provisions of the open door policy? check all that apply. all foreign countries had to pay taxes equally. foreign countries with spheres of influence in china were exempt from taxes. only the chinese government could collect tariffs on trade. countries with a sphere of influence should maintain free access to their ports. the united states would oversee the continuance of the open door policy.

i dont know. sorry : (

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.