It was primarily young men, especially European immigrants, who formed a large part of the workforce in Union factories during the Civil War, since most of the older men were drafted into being soldiers in the war.
The 4th one because they were divided on each education
Individuals would not like to pay to teach another person's kids.
Fluid is a is just another word for liquid. For example water, power aid, cool aid, etc.
The unification of Germany in 1990 symbolized a reunion of Europe as a continent and the beginning of an era where relationships between the different European nations would again be better and not riddled with ideologies.
