The two ways which the Reformation changed Europe is:
1) Henry 8th split the English church away from the pope. but this was an argument about succession and power and not move towards Protestantism. He remained Catholic the rest of his life.
2) Elizabeth 1 first tried to follow a 'middle way' in religion, but later began to persecute Catholics by end of the reign England was a protestant county.
{I'm not sure if this is right as I never learned the topic yet. but I hope this will try and help you. If you're still stuck the answers are the BBC bitesize KS3 history on the Tudors and stuarts}
It increased the size of the United States because it was based on the idea that America was destined by God to expand from the Atlantic to the Pacific, in other words, it encouraged many to expand west.
hope this helps i actually just learned about this in class :)
