In terms of governments, a Democracy or Dictatorship would be antonyms, or opposites. Polar opposite would be a Democracy since it is not ruled over by someone and instead is ruled by the people and state.
C is the answer. When will the winter end?
The way in which our actions are initiated, sustained, and directed is called motivation. Motivation refers to the dynamics of our behaviors. Hope this helped!
I think its spelled right...
onamotopoeia