How did the american civil war impacted american history

The American Civil War took place in April 12, 1861 and ended on May 9, 1865. It was an armed conflict carried out by the Union forces and the Confederate States, being one of the most relevant and tragic episodes of U.S. history. The impact caused by this war was significant, and some of the most important results include:

Finally, it also had significant repercussions in the entire country regarding slavery and the social and economic spheres.

a. the astrolabe could determine the correct latitudinal location of the ship

i just did something on this guy a few days a go give me two minutes to find it in my notes.