The best answer is A. Keynesian economics refers to the practice of pumping money into a country's economy. In Keynesian economics that money is usually acquired from taxpayers, loans, bonds, and additional currency printing. The theory is that spending money on things like infrastructure projects (building roads, power plants, dams, etc.) creates jobs, which helps get money circulating in the economy again, which eventually pulls a country out of economic stagnation.
Lincoln had only one reason to fight: to save the Union. In time, however, there was another reason to fight: to free the black people held as slaves in the South.
Today, Kay Gallant and Harry Monroe continue the story of how President Lincoln dealt with this issue.
VOICE ONE:
Lincoln had tried to keep the issue of slavery out of the war. He feared it would weaken the northern war effort. Many men throughout the North would fight to save the Union. They would not fight to free the slaves.
Lincoln also needed the support of the four slave states that had not left the Union: Delaware, Kentucky, Maryland and Missouri. He could not be sure of their support if he declared that the purpose of the war was to free the slaves.
By focusing on his enmies
The issues that caused sectionalism to develop were geographical because the people in north grew more into an industrialized society, and that's why they had industrial interest.
I hope I was helpful, and if I was can u give me brainliest?