The answer is new technologies.
In absolute numbers, major battles on all fronts claimed the highest number of casualties, primarily because of the technology of warfare based on explosive artillery shells. The death toll among prisoners of war amounted to between 5 and 10 % of prisoners.
They would ship iron , products, cloth, trinkets, ammunition,guns and other raw materials and in return that's how they traded for slaves
Answer:
King Carlos III appointed Margues de Rubi to the royal office of “visitador general”. Visitador is the Spanish word for “inspector.” Rubi's assignment was to tour the frontier provinces and recommend a course of action.
Explanation:
Before the beginning of the Civil War, the biggest issue was slavery.
In particular, the North and South fought over how to admit new States into the Union and whether the vile institution of slavery should be permitted.