The answer is A, the desire for freedom.
Independence typically means being given more freedom, so the Declaration of Independence would be asking for more freedom.
Elections
Explanation: the soviets has their hands in nearly every Eastern European election so that the leaders would be communists that would bring their countries into communism along with the Soviet Union
Answer: trade routes/connections between civilizations suffered not to mention diversity dwindled and theft along the road systems grew more common since it wasn't guarded
Explanation: