It is because they believe that Jesus handed down the bible to them and they have to protect it.
The Spanish-american war allowed the United States to connect the two coasts and establish themselves as a force on the new continent. The expansion allowed them to have allies worldwide who traded with the states and this enabled them to accumulate wealth. World War 1 was the cherry on top because it ruined the entire economy of Europe as well as European infrastructure, while US was free to produce and export since it had no economic rivalry with anyone.
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Answer:
The modern concept of parliamentary government emerged in the Kingdom of Great Britain between 1707 and 1800 and its contemporary, the Parliamentary System in Sweden between 1721 and 1772.
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These people did invade China, but their raids were not successful.
