1. Explique con sus propias palabras el concepto de Historia. 2. ¿Para qué cree usted que sirve estudiar o conocer la historia?
3. Cuando debemos medir el tiempo histórico, que es el tiempo de los grandes procesos de la humanidad, utilizamos unidades de tiempo extenso y prolongado. Estas unidades de tiempo son convenciones o acuerdos desarrollados para organizar la comprensión del tiempo.

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.

currancy

explanation:

the correct answer is option d

the economy will face inflation

the correct answer is b.