Why did the author include the information in the text box at the bottom? A. to explain why different railroad companies could not build the railroad as per their contract B. to provide additional information on the different railroad companies that worked in Texas C. to highlight the time it took to finish completing the entire railroad in Texas D. to describe the different parts of Texas where the railroad was built

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.

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.