The north faced inflation during the civil war. Inflation is a general increase in prices and fall in the purchasing value of money.
Swing voters tend to sometimes vote democratic and sometimes vote republican. Therefore, B.
I pretty sure it was the regulatory reforms, however, they were mostly know as the Educational Reforms and Prison Reforms separatly
Answer:
A. federal state holds the power to declare war
The machine gun was decisive in securing victories for the Allies in WW1, if that's the time period this is focused on.