16. B
* propaganda is widely used to influence or control public opinion.
17. D
Stalin was told to help the economy would need a large number of tractors and technological/industrial facilities.
18. C
Eastern Europe has a history of Monarchy.
*the answer may be wrong but these are my best guesses.
To care for those who have borne the battle
Harry Truman made the decision
The first astronomer to state the fundamental laws of planetary motion, Kelper was also known for his works in geometry, optics and philosophy.