Why were keel-boats and flatboats important to the early settlers? a. the boats were cheap types of new homes. b. most settlers used them when traveling to the west. c. the boats were safer than steamboats.

The answer is B.  Because this was their transport to get round coastlines and down rivers.

the answer is B  Most settlers used them when traveling to the West.

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.

a.

congress passed laws allowing for free passage between states.