Nice outfit and hair color
Answer:
The U.S. entered World War I because Germany embarked on a deadly gamble. Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
I'm no expert but considering the only other country capable of reaching it at the time was Portugal, who was focused on Africa, by the time Portugal arrived in Brazil Spain already dominated the carribean basin, England and France wouldnt arrive for a long time so it was pretty much just Spain, Spain and Portugal had also agreed how to split the findings in the new world
There was no technology and more common to see children playing outside then now.
It was the "Nobility" that paid the most in taxes to the French government, but it should be noted that this was because they held a vast majority of the wealth in the country.