Answer:
The people have invaded Christian lands, and have depopulated themExplanation:
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The most notable is the atomic bomb. Roosevelt became aware that the Nazis were trying to develop one, so he started the "Manhattan Project" which was a group of elite scientists tasked with developing their own atomic bomb. They eventually succeeded, and in 1945, we dropped the bomb on Japan.
The answer is 'Railroads'
The Industrial Revolution in England lead to the development of trains and fast travel.
The United States quickly adopted the technology and brought in English businessmen and engineers to develop railroads in it's sprawling western states.
Railroads were integral in the early years in to cement newly acquired states under the control of the Federal government.
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The war created jobs that were not avalible before.
(Sorry, I'm bored and tired. I can give a more detailed answeer if you want.)
The state he doesn't mention is B. Texas. Near the end of the speech, he mentions all of the countries except for Texas. He also mentions others like Pennsylvania and George, and Tennessee as well. He also mentions other places like the river Mississippi and various mountains and things like that.
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