Acetanilide: Acetanilide,, synthetic organic compound introduced in therapy in 1886 as a fever-reducing drug. Its effectiveness in relieving pain was discovered soon thereafter, and it
MidÂ·west. A region of the north-central United States around the Great Lakes and the upper Mississippi Valley. It is generally considered to include Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, Missouri, Kansas, and Nebraska. The area is known for its rich farmlands and highly industrialized centers.
Home States of the Midwest. Once upon a time, everything not on the eastern side of the Mississippi was considered âthe West.â People started moving into this area in the 1800s, looking for better farmland, and the region has had a lot of names over the years â Northwest Territory, the Old Northwest, Middle West, and, of course, the heartland. The term âMidwesternâ has been used since the 1880s. (No.