Identify 3 ways that german and italian unification were similar?

1) language and culture: both Italy and Germany were unified along culural and linguistic lines 

2) Defeat of Napoleon: before the Unification, both were under Napoleon's France and this period of time under his control has strengthened feelings of nationalism, 

3)  strong leaders led both Unifications: Bismark and Garibaldi

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.