How did world war 2 transform America and the world?

What do you think is the worlds MOST important invention? What Parliament does? What if there were no women in the world? What was the Austria called before its current name? What was Mary I queen of? How did Great Britain and Germany differ in their preferences regarding the role of the US in World War 1How did Great Britain and Germany differ in their preferences regarding the role of the United? Why did the Portuguese sailors become extremely nervous? What is the historical accuracy in the movie lonesome dove? Who invented the slave trade? What happened on August 4th 1914? How did David Livingstone get to Africa? Where was Arch Duke Ferdinand assassinated? Who were Catherine of Aragon's parents? What are two things that caused World War 2? Who were the first people to use voting to make major decisions? How was trade between Europe and Africa before the 1400s different from trade between those continents between the 1400s and the 1700s? Is India eea country? What tensions existed in Europe at the beginning of 1914? What is a panchayat? How are the people in the European parliament called?