What is the energy input in the model shown

How did the bessemer process make suspension bridges possible

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.

How is it possible that the europeans were able to bring positive activities to africa?