The first dynamo or electric generator was driven by

Which countries did jose de san martin to liberate

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?

What industry was exempt from the child-labor laws passed in the factory act of 1833?