I'm not sure but extract is a synonym of abstract
The answer is D: totalitarian dictators rising to power. Each country listed above had a totalitarian head of state; Adolf Hitler, Joseph Stalin and Benito Mussolini
Under the President of Thomas Jefferson, Lewis and Clark began a journey from North frontier towards the western region of the US to explore the geographic features of the landscape and the people who inhabited those regions.
The expedition was significant as they discovered more than hundred specimen of biological plant life and animal kinds. They were welcomed and befriended by many native nevertheless a few had shown their unfriendliness towards them.
Their mission was to re-establish trade and business routes to India to declare American dominion.
Answer: Germany declared on Russia. Russia was also allies with Serbia.
Explanation: