This depends on who you consider to be the author. If the author in your case would be a famous old historian, then they would probably marvel at the architectural accomplishments of ancient Rome and how they were able to create such magnificent structures in such a short amount of time.
Answer:
World War I was the key factor of the revolution, because it had killed most of Russia amry. Tsar's mistakes was another cause in the revolution. ... The army man were fed up and decided to leave Tsar. On March 8, 1917 the was a riot in Petrograd about food shortage and the war.
Explanation:
In mid-July, President Harry S Truman was notified of the successful test of the atomic bomb, what he called “the most terrible bomb in the history of the world.” Thousands of hours of research and development as well as billions of dollars had contributed to its production.
1) Invention of the printing press
2) The crusades
