Why did the United States become a world power in the late 1800s?

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In the late 19th century, there was also growing support for the idea that the United States had a special mission to lift up "backward" people around the world. Mainstream Protestant denominations established religious missions in Africa and Asia, and by 1890 there were 500 missions in China.

the correct statement regarding the federal court systemis that ' congress has the power to create new federal courts.

a king decides to declare war on a neighboring country without the input of any advisers