Public opinion can be measured by all of the following methods except ?

Answer the following question contains two parts. first answer part a, then part b. the cold war rivalry between the united states and the soviet union created conflicts which provided opportunities for intervention by both sides. alliances were formed that reflected the tensions between the two major superpowers. analyze the two excerpts below to determine which major superpowers benefited from each alliance. the two excerpts are pictured part a. state which alliance promoted goals and protection of the united states and which alliance promoted goals and protection of the soviet union. cute evidence from each primary source to support your answers. part b. summarize the purpose of each alliance. cute evidence from each primary source to support your answers.