The correct answer is A) on Union soil.
The Battle of Antietam/Sharpsburg is different from previous battles in the Civil War because it was the first battle on Union soil.
During the times of the American Civil War, the Battle of Antietam was fought on September 17, 1862, in Sharpsburg, Maryland. It was a hard-fought bloody battle that was decided in the end with a sound victory to the Union Army led by General George McClellan. Confederate leader Robert E. Lee was trying to invade the Union's territory, but a solid Army of the Potomac impeeded it.
Nationalism and imperialism were major factors to the world war 1. that lead to some conflicts between nations. imperialism also contributed to start world war 1 because the European nations attacking and conquering different areas of Africa and Euro nations attacking other Euro nations for African Territory.
I would say trade is beneficial towards the development of new markets. Foreign trade sets up customers on an international level and thus sets up a relationship with the traders and that enhances the mobility of the good.
