Historians know that the philosophy and methodology of history have changed over time and will keep changing. Many different interpretations of all historical topics exist. Historians must work to recognize the difference between facts and interpretations in their field
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Step 1 -war with Denmark
Step 2 - Australian-Prussia War
Step 3 -Creation of the Northern German Confederate- 1867
Step 4 -Franco-Prussian War
In general, before the beginning of the labor movement, conditions for workers were extremely harsh and dangerous, since there were no restrictions on how long they could be forced to work, and the factories in which they worked were very hazardous.