<span>The time period after the war of 1812 which saw only one political party was called the Era of Good Feelings. </span>
Lincoln's main objective was to preserve the unity of his country, so he closely supervised the war effort, especially the selection of generals who would lead the army. In addition, the president made important decisions in the war strategy of the Union, including a naval blockade that prevented the trade of the southern states, the movements to take control of Kentucky and Tennessee and the use of gunboats to dominate the waterways. from the south. Lincoln repeatedly tried to conquer the Confederate capital at Richmond, a mission he commissioned successive generals until Grant succeeded. While the war was being waged, its complex movements to end slavery included the Proclamation of Emancipation in 1863.
I'm thinking either B.capital or D opportunity cost not sure
The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
Answer:
a man living in the region of a frontier, especially that between settled and unsettled country.
Explanation:
