The US had many attempts at compromise with varying levels of sucess before the Civil War. However, when Lincoln was elected president (on the platform of stopping the expansion of slavery), the South lost hope and seceded.
There is always a solution other than war, however, in this case, war had been a looming possibility for quite some time, and compromise probably would've only pushed the war back a year or two.
Hope this helps :)
General Robert E. Lee was responsible for the Confederate loss at Gettysburg.
The correct answer should be<span> B.) solving the economic problems of the Great Depression
Colonization of Africa and Asia was not a problem fought by the US and it existed even after WW2. The threat and spread of communism happened after the war, in 50s and 60s. Moral values were not an issue but poverty was because of the great depression that ruined the economy of the US.</span>
The Grange helped farmers form cooperatives, through which they bought goods in large quantities at lower prices. The Grange also pressured state legislators to regulate business on which farmers depended, such as the operators of grain elevators that stored farmers' crops and the railroad that shipped goods to market.