<span>Division of labor, helped increase productivity and gave birth to the factory system, which entailed increased division of labor and specialization of function.</span>
The enslaved people in the Union during the Civil War fought in battle. These enslaved people often wanted to fight because the Union treated them better than the Confederacy.
It was primarily the "b. formation of the Vietcong in Vietnam" that led the Truman administration to expand the containment doctrine to include Asia, since this was seen as a threat to democratic principles in the west as well.
