To what extent do powerful nations have a duty to manage conflict in order to preserve identities and global relationships

How do you think american life would change greatly, as soldiers went to war in europe?

How did rituals maintain sumerian society

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?