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Explanation: Eisenhower singled out the Soviet threat in his doctrine by authorizing the commitment of U.S. forces "to secure and protect the territorial integrity and political independence of such nations, requesting such aid against overt armed aggression from any nation controlled by international communism".
Answer:
Among the earliest inventions were the abacus, the "shadow clock," and the first items such as Kongming lanterns. The Four Great Inventions,the compass, gunpowder, papermaking, and printing – were among the most important technological advances, only known to Europe by the end of the Middle Ages 1000 years later.
Explanation:
I think it would be b my fine citizen. Nvm mind b is a school program that helps kids lol my bad