Because the slave states were still unhappy with the division of the states
Answer: How did the Industrial Revolution begin? : Eric Hobsbawm held that the Industrial Revolution began in Britain in the 1780s and was not fully felt until the 1830s or 1840s, while T. S. ... Rapid industrialization first began in Britain, starting with mechanized spinning in the 1780s, with high rates of growth in steam power and iron production occurring after 1800.
what it is: the development of industries in a country or region on a wide scale.
your welcome :D
Well, Germany was considered our enemy because of their submarines/U-boats were sinking American vessels. Germany also encouraged Mexico to attack the Americans through notes called the Zimmerman notes. Hopefully this helps.