<span>C) the invasion of Poland
It happened in 1939, before all of the other events.
Hope this helps :)</span>
Catherine and he had become lovers; no one told Catherine's husband, the Grand Duke Peter. Catherine saw Orlov as very useful, and he became instrumental in the 28 June 1762 coup d'état against her husband, but she preferred to remain the Dowager Empress of Russia, rather than marrying anyone.
Social scientists study people. For example: Anthropologists study human evolution and their culture. Physcholgists study people and the working of their mind!
The answer is B! The Battle of Saratoga is considered the turning point of the Revolutionary War!