<span>no force is needed to overcome sliding friction once force has been applied to overcome the starting friction.</span>
Answer: Germany unified in later 1800's is the right answer.
Explanation: German Unification (1850-1871) is a historic event, it started off with many reasons among which the most prominent reason was a well-known rivalry between Germany and France which led to a Franco-Prussian war from Jul 19, 1870 – May 10, 1871
and was concluded on 18 January 1871, Germany won and the foundation of historical event of unification of Germany was laid.
