Why did allied forces find so much destruction when they finally reached germany?

What was the significance of john hancock's signature on the declaration of independence?

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?

Why did countries not allow jewish refugees asylum?