What did the use of atomic bombs during world war ii lead to

Explain one example of how the u.s has struggles to balance energy independence and environmental

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

Need ! how did sumner define liberty in the book of "voices of freedom"