The Czar’s autocratic policies toward the people led to social unrest because the people, especially the "common folk" or peasants were granted practically no rights and there was no democratic process--meaning that they became upset when they were unable to further their lives either socially or economically.
First answer is B because it moves because of heat, and you could probably assume.
2nd is C, obvious
3rd St Helens, the rest arent on the map
4th My best guess is changing