Pls help: Why were Lewis and Clark’s accomplishments so important for shaping the attitudes and expansion of the United States during the 1800s?

As Lewis and Clark traversed the country, they drew sketch maps and carefully recorded their astronomical and geographic observations

remember the people who sacrificed their lives at gettysburg

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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.