Https://www.whitehouse.gov/about-the-white-house/presidents/
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Truman Doctrine
In 1947, Truman pledged that the US would aid any nation in resisting the growing threat of communism to help prevent its spread.
The word that best describe the tone of "rule Britannia" would be : A. patriotic
rule Britannia told us the story about the victories that achieved by the Britannia and the Glory they managed to bring
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Juan Seguín,Served with Travis at the Alamo but survived because he was sent out as a messenger to warn Sam Houston about the events at the Alamo.
I would go with D. All of the above. Even though I don't know about the Song/Tang Dynasties, I know for sure that they invented those things. So it is D.