After world war ii, members of nato, including the united states, were most concerned about
the spread of terrorism
an attack by the soviet union
the possibility of a flue epidemic
free trade among member nations

an attack by the soviet union

Explanation:

Even after World War II, the Soviet Union was a force to be respected. They have weapons of mass destruction and an extremely different view on how the world should be. We even went through the cold war after World War II for that exact reason.

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

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