If Prussia had not belonged to the German Confederation, it would be most likely that Germany would not achieve unification during that period.
Prussia was proven to be the most strategic region that gave away victories to the Germans, making them able to control the flow of the conquest of other regions. Hope this helps
Permitting free trade, and granting lands.<span />
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King Ferdinand and Queen Isabella of Spain sponsored Christopher Columbus' trip. They hoped that he would successfully find a way to bring gold and spices back to Europe from India and China, which would increase the wealth and status of Spain. While he didn't find that, he "discovered" the Americas, which allowed Spain to claim land and conquer it.
I think that it's the third one if you're not to sure, I have a site that might help: https://www.britannica.com/event/Tokugawa-period
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The Royal Navy cut off maritime trade and allowed the British to raid the Atlantic coast at will. ... The defeat of Napoleon in spring 1814 freed up British troops for use in North America. In August 1814, the British burned Washington (including the White House and the Capitol).
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