How did electricity change industries?

This passage says that the government is necessary because . the passage states that checks and balances are needed to

The picture below shows president richard nixon and the first lady standing before the great wall of china in 1972. they are smiling - as are the chinese with them. when this picture was shown on american television, americans were aware that it was a historic moment. what are two reasons why this moment was important for both china and the united states?

Do you think the fascist nations of the axis powers could have been stopped? could the world war 2 be prevented?