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!
Two things that increased american interchanges in the late 1800s were "b. the telegraph and telephone," since both of these creations significantly accelerated correspondence and made it more productive.
