Why was the use of coal an improvement on using human, animal, wood or water power for energy?

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. describe how the conflict between the superpowers manifested itself in the following region: europe.

The platt amendment was a treaty that allowed the united states to build military bases in which country?

Give me 5 solid reasons why death penalty should be remove?for debate!