After the civil war, newly-freed african americans had to
a. find a way to make money.
b. apply for us citizenship.
c. perform military service.
d. relocate to the north.

The correct option would be (a) find a way to make money.

Explanation:

The newly-freed African Americans had to face many hurdles after the civil war, among them, poverty was considered to be the most severe!

Even though slavery was ended but the prejudice against the African Americans still remained in the hearts of the people due to which it was really difficult to find work and earn money.

The majority of the African Americans were living a life of poverty and hardships. Some of them even went back to their former owners for the slavery!

Bonus:

African Americans were given freedom from slavery through Thirteenth Amendment in 1865.

African Americans were given the American citizenship through Fourteenth Amendment in 1868.

African Americans were given the right to vote through Fifteenth Amendment in 1870.

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.