1. What was the MAIN cause for the Civil War? What were the three of the four sub-causes?(this question is two parts, and should have a two-part answer) 2. Why is it important to study history?

The main cause was the north (Union aka the yankees/ og america) wanted to abolish slavery, and the south (confederates aka the dixies/ new america) wanted to keep it.

the 3 sub causes were

economic interests,

cultural values,

the power of the federal government to control the states,

ALSO the country got divided when abraham lincoln became president as he won the north and his opponent won the south. both sides saw their winner as the president and the other side as the fake one.

It is important to study history because it allows to not make the same mistakes.

1.  A common explanation is that the  civil war was fought over the moral issue of slavery

the three main causes was: (a)economic interests

(b) cultural values, (c) the power of the federal government to control the states.

(c) most importantly slavery in American society

Part 2 why is it important to study history?

Through history, we can learn how past societies, systems, ideologies, governments, cultures and technologies were built.

Explanation:

c. the dred scott v. sandford case,

d will be ur answer

to mark sum 1 brainliest there has to be 2 answer at least