<span>It would be "correlating" rocks of similar age in different regions.</span>
Answer:
Coinciding with the end of World War I, a socialist revolution broke out in Germany. The German Revolution of 1918-1919 resulted in the creation of the left-leaning Weimar Republic, which lasted until Adolf Hitler's Nazi Party seized power in the early 1930s.
Explanation:
that is from a paper i had to write about it so hope it helps!
