How does the introduction of universal public education affect the economies of the united states and western europe

What were major causes of the dust bowl apex

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?

Who were the main leaders of the major powers (france, england, and great britain) during the treaty of versailles?