more states were added.
Kansas, Iowa, Minnesota, Wisconsin, Michigan, Indiana and​ Illinois.
Presidential candidate Abraham Lincoln won the state of Michigan during the 1860 presidential election. Lincoln won most of the Midwest and northern states.
Fifteen.
9
9
more states were added.
There are twelve (12) states in the Midwest region of the United States
Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, Wisconsin.
Kansas, Iowa, Minnesota, Wisconsin, Michigan, Indiana and​ Illinois.
Presidential candidate Abraham Lincoln won the state of Michigan during the 1860 presidential election. Lincoln won most of the Midwest and northern states.
Railroad Tracks.
Rail Road Tracks
The railroad united the nation.
see " What states are in the Midwest "
By 1860 the Midwest and the West were united by a network of telegraph wires. The network of telegraph wires played a big role in the Civil War.