Ronald Reagan was president from Jan 20, 1981 to Jan 20, 1989
Answer:
The scientific revolution, which emphasized systematic experimentation as the most valid research method, resulted in developments in mathematics, physics, astronomy, biology, and chemistry. These developments transformed the views of society about nature.
The reunification of German was through force during the reign of Bismarck. The first war of unification was the Danish War in 1862. This was followed by the Austro-Prussian war in 1866. In the end, Bismarck used the Franco-Prussian war of 1870-71 to unify the states of north Germany
This was another answer from another person who asked it hopefully this helps or soemthing
