The first main event that helped to redefine the social and economic characteristics of America during the latter half of the nineteenth century was the Civil War, which brought about an end to the slave economy in the South, while the second was Reconstruction in the South.
Feelings of nationalism declined because the war destroyed farmlands across the country. American military leaders became unpopular for leading the country into a costly war
Airplanes and chemical warfare were technological advances during world war 1.
The mayor-council form of city government merges executive and legislative functions in a single group of officials. This is common in lots of smaller towns.
